Answers
Answer:
I believe it's Energy and organic matter can't be recycled and must constantly be supplied to an ecosystem not entirely sure though
Explanation:
Related Questions
A scientist concludes that genetic inheritance of a mutated (changed) gene, such as a gene change that creates different-colored organisms in a population, is more beneficial to an organism over time and contributes to biological fitness. Discuss why a scientist would make that claim.
Answers
Answer:
A scientist made the claim that genetic inheritance of a mutated gene is more beneficial to an organism over time and contributes to biological fitness. They would make this claim because over time genes change to adapt to their surroundings and this is called evolution. Overtime environments change and the organisms living in them have to adapt or they will more than likely die. A mutated gene can contribute to biological fitness by giving the organism certain characteristics that could help it survive longer. Also, organisms with higher fitness pass more copies of their genes to the next generation which prevent the organisms from going extinct all together. In conclusion, a scientist would make this claim because over time genes need to mutate in order to survive in a changing environment.
Explanation:
Study the image, which describes how rapid changes in weather conditions occur.
How rapid changes in weather conditions occur. Arrow labeled Direction of frontal movement points right toward Cold front map symbol. Arrow labeled Rising warm air in front of cold front points from cold front to sky. Also labeled are: Development of clouds because of upward movement of warm air, and Advancing cold air behind cold front.
Based on the arrows, what does the image represent?
Air masses are barely moving.
Air masses are colliding with each other.
Jet streams are forming in the upper atmosphere.
Weather conditions are remaining steady and unchanged.
Answers
The image represents air masses colliding with each other, leading to rapid changes in weather conditions.
The image represents the process of rapid changes in weather conditions occurring. The arrows in the image indicate various elements and phenomena related to these changes.
At the top, the final answer is that the image represents "Air masses are colliding with each other."
1. The arrow labeled "Direction of frontal movement" points right toward the "Cold front" map symbol. This indicates the movement of a cold front.
2. The arrow labeled "Rising warm air in front of cold front" points from the cold front upward into the sky. This signifies the upward movement of warm air.
3. The image also shows the development of clouds due to the upward movement of warm air. This indicates the presence of moisture in the atmosphere.
4. Finally, the image depicts advancing cold air behind the cold front, indicated by an arrow. This cold air is moving in the direction of the warm air.
Putting all these elements together, we can conclude that the image represents air masses colliding with each other. The cold front is advancing and pushing against the warm air, leading to the formation of clouds and changes in weather conditions. This collision between air masses often results in rapid changes in weather patterns, such as storms, rain, or temperature fluctuations.
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Australia is in the Southern hemisphere. Which of these statements is correct about Australia?
It experiences the first day of summer at Position 3 and first day of winter at Position 1.
It experiences the first day of summer at Position 1 and first day of winter at Position 3.
It experiences the first day of autumn at Position 3 and first day of spring at Position 1.
It experiences the first day of autumn at Position 1 and first day of spring at Position 3.
Answers
The correct statement about Australia is ; It experiences the first day of summer at Position 1 and first day of winter at Position 3.
The southern and northern hemisphere experiences winter and summer at different times of the year because the Earth's axis remains fixed ( almost ) when it orbits around the sun. therefore during the different orbit phases either the northern hemisphere or southern hemisphere faces/leans towards the sun.
The part of the earth ( hemisphere) that faces the sun will experience its first day of Summer while the hemisphere that leans away from the sun will experience its first day of winter.
Hence from the diagram we conclude that Australia been in the southern hemisphere will experiences the first day of summer at Position 1 and first day of winter at Position 3.
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You find yourself in a place that looks perfectly symmetrical. There is no way to ddistinguish one place from another, all forces are one, the temperature is ridiculously high, and a veritable zoo of weird subatomic particles is bombarding you from all directions as the particles keep appearing and disappearing. With this perfect symmetry, there is no obvious way to define the flow of time and confusion reigns. Where are you?
Answers
Most likely, you are in the early cosmos, more particularly, in the moments immediately following the Big Bang.
What is force?The interaction between two things or between an object and its surroundings is characterized by force, a physical quantity. One way to conceptualize it is as a push or pull that one thing puts on another. Force has both a magnitude (a numerical value) and a direction, making it a vector quantity.
The universe was extraordinarily hot and dense at this time, and all the fundamental forces of existence had merged into one force. A soup of subatomic particles, such as quarks, leptons, and gauge bosons, were also present in the cosmos, and they were continually interacting and annihilating one another, creating a chaotic and unpredictable environment.
It is challenging to meaningfully quantify the passage of time in these extreme circumstances. In fact, according to some scientists, time may have "emerged" during this initial stage of the universe's creation, meaning that it only came into being as the world cooled and expanded.
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You travel 200 km in 2 hours. Your ____ speed is 100km/h.
A. Constant
B. Average
C. Instantaneous
D. Initial
Answers
Answer: average
Explanation:
If you travel 200 kilometers in 2 hours. Your average speed is 100 kilometers per hour, therefore the correct answer is option B.
What is speed?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object.
As given in the problem if you travel 200 kilometers in 2 hours. then we have to find out the term for speed of 100 kilometers per hour,
The average speed of the travel = Total distance traveled / total time
=200 kilometers / 2 hours
=100 kilometers per hour
Thus, if it takes two hours to go 200 kilometers. The right response is B since your average speed is 100 kilometers per hour.
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Are Mitochondria are found in both plant and animal cells
just answer the question please don't play wit me rn- nicki
Answers
Answer:
yes they both have midtochondeias
describe how impulse are transmitted across a synapse
Answers
A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.
What are the impulse?Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.
The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.
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The Frye and Edidin experiment demonstrated that lateral protein movement within the membrane is affected by
Answers
Answer: You can answer one of these options and you are going to get it right: temperature, heat, high temperature, or temp
Explanation:
The Frye and Edidin experiment demonstrated that lateral protein movement within the cell is affected by temperature.
The Frye and Edidin experiment, conducted in 1970, utilized fluorescence recovery after photobleaching (FRAP) to demonstrate that lateral protein movement within the cell membrane is influenced by temperature and membrane fluidity.
In this experiment, cell membranes were labeled with fluorescent markers, and a specific region of the membrane was photobleached (rendered non-fluorescent) using a focused laser beam. As time progressed, fluorescent molecules from surrounding areas diffused into the bleached region, leading to the recovery of fluorescence. The rate of fluorescence recovery provided insights into the lateral movement of proteins within the membrane.
The temperature affects membrane fluidity, altering the movement of lipid molecules and proteins within the membrane. Higher temperatures increase the kinetic energy of molecules, resulting in greater membrane fluidity and faster lateral movement of proteins. Conversely, lower temperatures decrease fluidity and slow down lateral movement.
By conducting the experiment at different temperatures, Frye and Edidin demonstrated that lateral protein movement is indeed influenced by membrane fluidity, which, in turn, is affected by temperature. This experiment highlighted the dynamic nature of cell membranes and the role of lipid-protein interactions in regulating membrane properties.
Overall, the Frye and Edidin experiment provided valuable insights into the biophysical properties of cell membranes, contributing to our understanding of how the arrangement and movement of molecules within the membrane influence cellular processes.
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For the cloning lab, you processed two tubes, one with the plasmid (+pGLO), one without the plasmid (-pGLO). The solutions were then plated on the LB, LB/amp and LB/amp/ara plates. The (+pGLO) on LB/amp served as a(an)
Answers
In the cloning lab, one processed two tubes, one with the plasmid (+pGLO) and one without the plasmid (-pGLO), and the (+pGLO) on LB/amp served as the experimental plate where the gene glows ,so the option c is correct.
What is the significance of the (+pGLO) tube?The +pGLO tube contains bacteria transformed with the pGLO plasmid that have a gene for antibiotic resistance and a gene for fluorescence, so the bacteria on the LB/amp/ara plate serve as a control, and based on the control, sensitive and resistant bacteria are differentiated.
Hence, in the cloning lab, one processed two tubes, one with the plasmid (+pGLO) and one without the plasmid (-pGLO), and the (+pGLO) on LB/amp served as the experimental plate where the gene glows ,so the option c is correct.
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The question is incomplete, the complete question is the below,
For the cloning lab, you processed two tubes, one with the plasmid (+pGLO), one without the plasmid (-pGLO). The solutions were then plated on the LB, LB/amp and LB/amp/ara plates. The (+pGLO) on LB/amp/ara served as a(an) ________________________
Group of answer choices
a) control to see if transformation worked and bacteria are now antibiotic-resistant
b) control to see if bacteria survived the process of transformation
c) the experimental plate where the gene glows
d) the experimental plate where the gene of interest is expressed
What are some ways that dioxins affect health? What is AhR and what does it do?
Answers
Answer:
Dioxins are highly toxic and can cause cancer, reproductive and developmental problems, damage to the immune system.
The aryl hydrocarbon receptor is a protein best known for its role in mediating toxicity.
The AhR has roles in regulating immunity, stem cell maintenance, and cellular differentiation.
Explanation:
What is the general structure and function of epithelial tissue?
Answers
Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.
A vacuole is a membrane-bound sac that plays a role in the storage and
the release of cellular products. How do the vacuoles in animal cells differ
from vacuoles in a plant cell?
PLEASE HELP
Answers
plant cell: they are prominent,one or more.
animal cell: vacuoles if any, are small and temporary
hope it helps you!!
Whether an object becomes positively or negatively charged depends on the material it (repels/contacts).
Answers
The charge an object acquires depends on the materials it contacts and the relative affinity of those materials for electrons.
What is Charge?
Charge is a fundamental property of matter that describes the electrical property of particles, such as electrons and protons. It is a conserved property, which means that the total amount of charge in a closed system cannot be created or destroyed, only transferred from one object to another.
When two objects come into contact, they can transfer electric charges between them. The object that loses electrons becomes positively charged, and the object that gains electrons becomes negatively charged. This process is called triboelectric charging, and it is responsible for many everyday phenomena, such as static electricity.
The exact way in which an object becomes charged depends on the nature of the materials involved, as some materials have a greater affinity for electrons than others. For example, when you rub a plastic comb through your hair, the comb becomes negatively charged because it has a greater affinity for electrons than your hair does. On the other hand, if you rub a glass rod with silk, the glass rod becomes positively charged because it has a lower affinity for electrons than the silk does.
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Aside from breathing, are there any possible functions of the respiratory system that you can think of? Explain you answer.
Answers
1) Gas exchange: The primary function of the respiratory system is to facilitate gas exchange between the body and the environment. Oxygen is taken in through the lungs and delivered to the bloodstream, while carbon dioxide, a waste product of metabolism, is removed from the bloodstream and expelled from the body.
2) pH balance: The respiratory system plays a critical role in maintaining the body's acid-base balance. Carbon dioxide, when it dissolves in water, creates carbonic acid, which can lower the pH of the blood. The respiratory system helps to regulate the concentration of carbon dioxide in the blood, which in turn helps to maintain a healthy pH balance.
3) Immune defense: The respiratory system is equipped with specialized cells and tissues that help to protect the body against infection. The nasal cavity and respiratory tract are lined with mucus and cilia that trap and remove harmful particles, such as bacteria, viruses, and dust, from the air we breathe.
4) Vocalization: The respiratory system is also involved in the production of sound and speech. The movement of air through the vocal cords in the larynx creates vibrations that produce sound. The respiratory system helps to control the volume and pitch of the sound produced by the vocal cords, allowing us to communicate with others through speech and song.
In summary, the respiratory system performs a range of functions beyond just breathing, including gas exchange, pH regulation, immune defense, and vocalization
In your own words explain how you think the first cell came into existence? (2 sentences)
Answers
Answer:
It has been hypothesized that there were four steps that occurred to create the first living cell:
1. The Abiotic (Nonliving) synthesis and accumulation of small organic monomers like amino acids or nucleotides
2. The Joining of monomers into polymers
3. The origin of an effective, low-risk method of replication ( RNA World )
4. The self-assembly of molecules into droplets that had chemical characteristics inside different from the environment outside.
Which symbol represents a hybrid
Answers
Explanation:
The three standard sex symbols are the male symbol ♂ and the female symbol ♀, and the hybrid symbol ×. They were first used to denote the effective sex of plants (i.e. sex of individual in a given crossbreed, since most plants are hermaphroditic) by Carl Linnaeus in 1751.
Which of the following occur in a maple tree growing in a temperate climate in response to increasing cold weather? Choose three correct answers.
Answers
The three correct answers are:
B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments. This process leads to the beautiful fall foliage colors observed in maple trees. As the weather gets colder, the breakdown of chlorophyll exposes the underlying pigments, creating vibrant red, orange, and yellow leaves.
C. Xylem and phloem fill with ions and organic substances that prevent freezing. In response to increasing cold weather, the tree transports ions and organic compounds into the xylem and phloem. These substances act as antifreeze agents, preventing the freezing of sap and ensuring the circulation of nutrients and water within the tree.
D. Meristems form thick scales to protect next year's buds from cold winter temperatures. The meristems, which are the regions of the tree where new growth occurs, undergo changes in response to the approaching cold weather. They form protective scales around next year's buds to shield them from the harsh winter conditions, ensuring their survival and future growth.
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Your question is incomplete, but most probably your full question was:
Which of the following occur in a maple tree growing in a temperate climate in response to increasing cold weather? Choose three correct
answers.
A. Auxin production stimulate one final growth spurt before winter arrives,
B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments.
C. Xylem and phloem fill with ions and organic substances that prevent freezing.
D. Meristems form thick scales to protect next year's buds from cold winter temperatures,
The regulatory genes that encode for the repressor protein are always being transcribed; it is the presence or absence of the lactose molecule that controls whether the operon is on or off.
a) true
b) false
Answers
Answer:
The answer is A.
Explanation:
The lac repressor protein can prevent or let the transcription and production of the operan. When there is lactose not present in the body, the lac repressor protein prevents the production of the operan by RNA polymerase but when lactose is present, it let's the operan to get produced . So the answer is yes, the presence of the lactose molecule controls whether the operon is on or off.
I hope this answer helps.
What was the climate like prior to the extinction ?
Answers
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
Which of the following statements regarding the cytoskeletal protein FtsZ are correct? Check All That Apply FtsZ localization determines the site of cell wall growth by recruiting PBPs for peptidoglycan synthesis. FtsZ localization determines the site of cell wall growth by recruiting PBPs for peptidoglycan synthesis. FtsZ colocalizes with MinCDE proteins. FtsZ colocalizes with MinCDE proteins. FtsZ is a homologue of the eukaryotic protein actin. FtsZ is a homologue of the eukaryotic protein actin. Filaments of FtsZ become anchored to the peptidoglycan. Filaments of FtsZ become anchored to the peptidoglycan. FtsZ polymerizes to form the Z ring that determines the site of septum formation.
Answers
Answer:
-FtsZ localization determines the site of cell wall growth by recruiting PBPs for -peptidoglycan synthesis.
- FtsZ polymerizes to form the Z ring that determines the site of septum formation
Explanation:
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Mutations can be classified by their effect on the DNA sequence or the resulting protein. The triplet nature of the genetic code means that base changes within coding sequences can have several different outcomes.
Which of these correctly describes the effects of the different types of mutations.
Choose three that apply.
Responses
A missense mutation results from the substitution of one base, changing an amino acid to another amino acid, possibly affecting protein function. The effects of this mutation can be positive, negative, or neutral.
B frameshift mutation results from the deletion or insertion of a base or bases, resulting in a change to the amino acid sequence following the mutation. The results of this type of mutation often depend on the location in the sequence where it occurs.
C nonsense mutation changes an amino acid to a STOP codon, resulting in a change to the sequence the amino acid chain.
D frameshift mutation results from the deletion or insertion of a base or bases, resulting in a change to the amino acid sequence following the mutation. These mutations are always lethal.
E silent mutation involves a substitution of one base, but does not change the amino acid, resulting in the same protein. The results of this mutation is most likely neutral.
Answers
The options that correctly describes the effects of the different types of mutations are:
(a) Missense mutation results from the substitution of one base, changing an amino acid to another amino acid, possibly affecting protein function. The effects of this mutation can be positive, negative, or neutral.
(b) Frameshift mutation results from the deletion or insertion of a base or bases, resulting in a change to the amino acid sequence following the mutation. The results of this type of mutation often depend on the location in the sequence where it occurs.
(c) Nonsense mutation changes an amino acid to a STOP codon, resulting in a change to the sequence the amino acid chain.
What is mutation?A mutation is a DNA sequence change in an organism that occurs due to some mistakes when the DNA was being copied, being exposed to radiations or other factors of the environment.
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The statements that correctly describes the effects of the different types of mutations are as follows;
Silent mutation involves a substitution of one base, but does not change the amino acid, resulting in the same protein. The results of this mutation is most likely neutral (option E).Frameshift mutation results from the deletion or insertion of a base or bases, resulting in a change to the amino acid sequence following the mutation. These mutations are always lethal (option D)A missense mutation results from the substitution of one base, changing an amino acid to another amino acid, possibly affecting protein function. The effects of this mutation can be positive, negative, or neutral (option A). What is mutation?Mutation is any alterations or changes to the genetic sequence of DNA.
According to this question, mutations can be classified by their effect on the DNA sequence or the resulting protein. These classification is as follows;
A frameshift mutation is a deletion or insertion of one or more nucleotides that changes the reading frame of the base sequence. Deletions remove nucleotides, and insertions add nucleotides. Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotypeMissense mutation is a genetic alteration in which a single base pair substitution alters the genetic code in a way that produces an amino acid that is different from the usual amino acid at that position.Learn more about mutation at: https://brainly.com/question/17130462
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Which statement regarding the "Krebs bicycle" is true? A) Ultimately, it results in the transport of NADH from the mitochondrial matrix to the cytosol. B) The urea cycle and the citric acid cycle have common cycle intermediates and are thus linked. C) Ultimately, it results in the transport of glutamate from the cytosol to the mitochondrial matrix. D) It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Answers
Answer:
The correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Explanation:
The Krebs bicycle is made out of on the right side the urea cycle, which networks with the aspartate-argininosuccinate shunt of the TCA cycle present on the left side. By argininosuccinate lyase, Fumarate delivered in the cytosol of the urea cycle enters the Krebs cycle in the mitochondrion and is changed over in a few stages to oxaloacetate.
Oxaloacetate gets an amino gathering with the help of transamination from glutamate, and the aspartate formed and leaves the mitochondrion and gives its amino gathering to the urea cycle in the response of argininosuccinate synthetase activity.
Thus, the correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
What happens during the S (synthesis) phase of interphase?
a. the cell rests before it moves to a level of high activity
b. the cell creates copies of its DNA or genetic material
c. the cell divides into two new cells
d. the nucleus divides in half
Answers
b. the cell creates copies of its DNA or genetic material
During the S (synthesis) phase of interphase, the cell undergoes DNA replication. This means that the cell creates copies of its DNA or genetic material. The DNA in the cell is duplicated to ensure that each daughter cell produced during cell division will receive a complete set of genetic information. This phase is critical for cell division and the transmission of genetic material to offspring cells.
What is the History of Biological Diversity?
Answers
Biological diversity is the presence of different life on Earth coming from genes to ecosystem. It can arise from two sources which are mutation and sexual reproduction. It was not actually established by science. Evidence of life was already seen even after the formation of the Earth. A more diversified species at present is evident now than before.
If a newborn baby weighs 8 pounds and 4 ounces how much does it weigh in grams
Answers
3856 :)
Have a good day
Answer:
3810.18 value 454
Explanation:
if the baby is 8 pounds and 4 oz
A researcher dried a feedstuff and determined that it contained 10 percent moisture. he took 1 gram (dry) of it and combusted it in the bomb calorimeter. the calorimeter contains 1 kg of water. The temperature was raised 2.7 degrees centigrade. Two kilograms (2000 grams) of dry matter of the material was fed to a pig each day for several days. the fecal collections of the pig averaged 200 grams dried per day for the last few days. the feedstuff analyzed 2.41 percent nitrogen (dry basis); the feces (dry basis) analyzed 4.6 percent nitrogen. (hint: the feedstuff contained _____ grams protein, the feces contained _____ grams protein.)
Answers
Answer:
Explanation:
The objective of the information given is to calculate the apparent digestible dry matter present in the feedstuff(%) and the apparent digestibility of the protein?
From the given information:
The apparent digestible dry matter present is:
\(=\dfrac{ (\text{Dry matter fed to the pig} - \text{Fecal matter of the pig} )}{\text{Dry matter fed to the pig}} \times 100 \%\)
where;
Dry matter fed to the pig = 2kg = 2000 g
Fecal matter of the pig = 200
∴
The apparent digestible dry matter present = \(\dfrac{2000-200}{2000}\times 100\%\)
\(=\dfrac{1800}{2000}\times 100\%\)
= 90
Amount of Nitrogen(i.e. the protein) content present in the feedstuff = 2.41%
i.e.
2.41 g/100 g OR 48.2 g/2000 g feed
Amount of protein present in feces = 4.6% (4.6 g/100 g OR 9.2g/200g of feed)
∴
apparent digestibility of the protein is:\(=\dfrac{\text{Amount in feed }- \text{Amount in feces}}{\text{Amount in feed }}\times 100\)
\(= \dfrac{(48.2 - 9.2)}{48.2}\times 100\)
\(= \dfrac{39}{48.2}\times 100\)
= 81%
3. A student wanted to study the effect of temperature on algae levels in a local stream. Which items are most useful for gathering data and most appropriate for communicating the results of her observations?
Answers
Answer:
D. can be your answer
Explanation:
because she is testing and finding differnt results which can help her find the algae levels in a local stream.
I am a large-bodied, arboreal primate that lives in Southeast Asia. I have Y5 molars and I do not have a tail. Which of the following taxonomic
categories am I classified under? (Select all that apply)
Suborder: Haplorrhini
Infraorder: Catarrhini
Superfamily: Cercopithecoidea
Superfamily: Hominoidea
Answers
Answer:
Hominoidea, and Haplorrhini
Explanation:
The characteristics of this are very similar to the Pongo genus or Orangutans; all orangutans are in the suborder Haplorrhini which are dry-nosed primates. Orangutans are also apes, or Hominoidea. Hope this helps!
Which numbered organelle produces ATP during cell respiration?
A 1
B 7
C 9
D 13
Answers
How does music affect plant growth? To answer this question