Answers
Answer:
Water
Explanation:
Answer:
carbon
Explanation:
Related Questions
HURRY! 10 MINS LEFT! Which characteristic, found in free-range farming but not in industrial farming, makes free-range farms more humane?
very small living area
processed food
use of antibiotics and hormones
access to fresh air and sunlight
Answers
The characteristic found in free-range farming but not in industrial farming that makes free-range farms more humane is the access to fresh air and sunlight.
What is Free-range farming?Free-range farming involves giving animals access to outdoor areas where they can move around freely and have exposure to natural sunlight and fresh air.
Industrial farming, on the other hand, typically involves keeping animals confined to indoor spaces with limited or no access to the outdoors. This lack of access to natural light and fresh air can have negative effects on animal welfare and health.
Therefore, free-range farming is often considered a more humane approach to animal farming as it allows animals to exhibit natural behaviors and live in more natural conditions.
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All of the following statements about evolution are true EXCEPT
a. Evolution occurs more rapidly at some times than others.
b. Evolution is directed by changes in the environment.
c. Evolution occurs on the level of single organisms along with populations.
d. Evolution is not always from the simple to the complex but may act in such a way that complex forms give rise to simpler ones.
Answers
C. Evolution occurs on the level of single organisms along with populations. i.e. Evolution occurs frequently in both populations and single species. biological evolution began 3.7 billion years ago.
What is an evolution fact?Biological evolution is the result of changes in a species' genetic makeup through time. Genetic changes frequently, but not always, result in discernible modifications to an organism's physiology or behavior. Both the creation of variation and the spread of some variants that displace others are necessary for evolution.
Which 4 facts support evolution?Anatomy, molecular biology, biogeography, fossils, and direct observation are all forms of evolution evidence.
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Middle school bio question abt bones please help
100 pt offering
Answers
Answer:
Here you go:) did my best
Explanation:
Dorsal-Towards the front of your torso, an example would be your ribs
Ventral-Towards the back of your torso, an example would be your scapula
Anterior-Towards the front of the body, an example would be your patella
Posterior-Towards the back of the body, an example would be your optical bone
Answer:
Dorsal- on a human its the back part of the body. Ex: the fin on the sharks back is dorsal.
Ventral- refers to the front part of the body. Ex: the stomach is ventral to the spinal cord.
Anterior- describes the front/direction of the front of the body. Ex: the kneecap is located on the anterior side of the leg.
Posterior- describes the back/direction of the back of the body. Ex: the shoulder blades are located on the posterior side of the body
Explanation:
hope this helps! :)
What was added to Letter D?
Does the graph represent an endothermic or exotérmica reaction? Explain why?
Need ASAP
Answers
A catalyst was added to the letter D in order to lower the activation energy of the reaction.
The reaction is an endothermic reaction because the products are at a higher energy level than the reactants.
What are endothermic and exothermic reactions?Endothermic reactions are chemical reactions in which energy in the form of heat is absorbed from the surroundings. In these reactions, the products of the reaction have more energy than the reactants.
Exothermic reactions are chemical reactions in which energy in the form of heat is released into the surroundings because the reactants of the reaction have more energy than the products.
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Explain how genetic information, along with an understanding of the process of descent with modification, enables scientists to reconstruct phylogenies that extend hundreds of millions of years back in time.
Answers
By comparing the DNA sequences of different species, scientists can identify shared ancestry and determine how closely related different species are. This enables them to make predictions about the evolutionary relationships between different species and to reconstruct phylogenies that extend back in time, providing insights into the evolutionary history of life on Earth. Molecular techniques, such as DNA sequencing, are particularly useful for this purpose because DNA is a stable, heritable molecule that is passed from one generation to the next.
Pikas grow thick fur in winter, and their small bodies conserve heat. Kangaroo rats
do not sweat, and oily fur helps them conserve moisture. They get water from seeds.
Predict what would happen if a pika and a kangaroo rat switched environments.
Answers
A pika's adaptation to its habitat includes growing thick fur in winter to conserve heat. In contrast, the desert environment where the kangaroo rat lives is very hot and dry; therefore, its oily fur helps to conserve moisture rather than heat. The pika's thick fur would make it too hot in the desert environment, whereas the kangaroo rat's oily fur would not be sufficient to conserve moisture in the colder environment.
Additionally, pikas get their water from consuming snow whereas kangaroo rats get water from seeds. In a colder environment, snow is readily available, but in the desert, there is no snow. The kangaroo rats might not be able to survive in colder environments if they do not have access to water, and the pika might not be able to survive in the desert without access to snow.
Therefore, it is likely that the adaptations that allowed the pika and the kangaroo rat to survive in their respective environments would make it difficult for them to survive if they were to switch habitats.
Is this right helpppppppp
Answers
Answer:
Yellow = 100%
blue = 0%
Explanation:
Each offspring is heterozygous. And since it has at least one dominant allele then it would be yellow.
Which correctly lists three scientists who supported the heliocentric model of the solar system? Aristotle, Ptolemy, Copernicus Copernicus, Ptolemy, Kepler Galileo, Kepler, Aristotle Kepler, Galileo, Copernicus
Answers
The option which correctly lists three scientists who supported the heliocentric model of the solar system is: D. Kepler, Galileo, Copernicus.
A solar system can be defined as a collection of both the inner and outer planets alongside the moon in orbit around the sun. The nine (9) planets of the solar system orbiting around the sun are;
Mercury.Venus.Earth.Mars.Jupiter.Neptune.Venus.Saturn.Pluto.Heliocentric model of the solar system can be defined as a cosmological model that asserts that the Sun lies at or near a central point while the planetary bodies revolve around it.
Basically, the heliocentric model of the solar system was discovered by Nicolaus Copernicus and supported by Johannes Kepler and Galileo Galilei.
In conclusion, the three scientists who supported the heliocentric model of the solar system are Kepler, Galileo, and Copernicus.
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Answer:
D. Kepler, Galileo, Copernicus.
Explanation:
took the test
Part A
Which Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.
Answers
Answer:
the last one , the second to last one and the first one I am pretty sure
A, C and D are the student-Drawn Cell Models that Contain Two Chromosomes.
Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.
A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.
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A student squeezes a clothespin as rapidly as possible for one minute. Without stopping to rest, the student continues to squeeze the clothespin for a second minute. At the end of the second minute, the student’s fingers and hand feel very cramped and tired. The physical tiredness and cramping in the muscles in the student’s hand were most likely due to the increased production of
oxygen
ATP
Waste products
glucose
Answers
Answer: Waste products
Explanation:
Usain Bolt is a Jamaican former sprinter, widely considered to be the greatest sprinter of all time. He is a world record holder in the 100 meters, 200 meters and 4 × 100 meter relay.
a. Describe what Usain’s body has to break down and produce to enable him to run so fast?
Answers
Usain’s body has to breaks down glucose and produce energy to enable him to run so fast in the process of cellular respiration.
What is the process of cellular respiration?The process of cellular respiration is the process by which the body breaks down large food molecules in the presence of oxygen to produce energy in the form of ATP.
The major food molecule that the body breaks down to produce energy is glucose.
Glucose is the most readily available form of food molecules that the body used to produce energy in the form of ATP.
The equation of the breakdown of glucose to produce energy in presence of oxygen is given below as follows:
C₆H₁₂O₆ + 6 O₂ ---> 6 CO₂ + 6 H₂O + ATP
The process of the breakdown of glucose to produce ATP occurs in three metabolic pathways given below:
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After entering the sympathetic chain, preganglionic nerve fibers may do which of the following? Select all that apply.
-move up or down the chain and synapse in ganglia at other levels
-immediately synapse with postganglionic fibers
-pass through the sympathetic chain without synapsing, forming splanchnic nerves
-directly synapse with effector cells
Answers
According to the given statement pass through the sympathetic chain without synapsing, forming splanchnic nerves.
What are preganglionic nerve ?Preganglionic nerve fibers that link to parasympathetic nerve fibers in the pancreatic ganglia postganglionic the pancreas. The cholinergic system's nerve cells promote the release either glucagon and insulin. Acetylcholine serves as the main neurotransmitter of the parasympathetic nervous system.
Where do the preganglionic fibers travel on the nerve?Preganglionic fibers are the ones that go from the central nervous system to the ganglion in the autonomous nervous system. Primary afferent fibers are all cholinergic (i.e., they employ acetylcholine as a messenger) and myelinated, whether they are located in the sympathetically or parasympathetic divisions.
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The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?
Answers
The long, bushy tail of the raccoon may be a selective advantage for this species because the bushy tail helps keep the face warm during a snowstorm (Option d). In addition, it may serve as camouflage and also may act to communicate with other members of the population.
What is an evolutionary selective advantage?An evolutionary selective advantage is a feature in a species that confer an advantage to survive and reproduce in a particular environmental condition, which may be associated such as in this case to the tail in raccoons.
Therefore, with this data, we can see that an evolutionary selective advantage is any phenotypic feature that enhances the survival and or reproductive rate of individuals in a population or species.
Complete question:
The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?
selective advantage only applies to populations
the opossum tail can grab onto a tree for balance
tail fur does not have an impact on survival
the bushy tail helps keep the face warm during a snowstorm
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What are three examples of protists?
A.amoeba
B.paramecium
C.euglena
D.fungi
Answers
Answer:A,B,C
Explanation:
Which statement would be MOST important to include in a summary of the article?
A
Models are used to represent objects and events in the real world.
B
Maps can be created on paper as well as digitally in people's phones.
C
Scales on maps use measurements in miles or kilometers.
D
Microscopes use lenses that bend light to make objects appear larger.
Answers
Answer:
D.) Microscopes use lenses that bend light to make objects appear larger.
Explanation:
I believe this is correct because it gives more detail in its sentence providing more information on a subject.
What causes ripple marks? How can they be used to indicate the position of a layer of sedimentary
rock?
Answers
Answer:
Ripple marks are sedimentary structures and indicate agitation by water (current or waves) or wind. Ripple marks are ridges of sediment that form in response to wind blowing along a layer of sediment. ... The symmetry of water-current ripple marks indicate whether they were formed by gentle waves or faster water currents.Answer:
Ripple Marks Ripple marks are sedimentary structures and indicate agitation by water (current or waves) or wind. Ripple marks are ridges of sediment that form in response to wind blowing along a layer of sediment. They are form perpendicular to the wind direction and each ridge is roughly equidistant from the ripple mark on either side.
Explanation:
For each disease or disorder, click on the correct inheritance pattern or chromosomal alteration.Cystic fibrosisAUTOSOMAL DOMINANT; AUTOSOMAL RECESSIVE
Answers
Chronic cough, upper respiratory infections, and difficulties clearing Phlegm from the airways are symptoms of the autosomal recessive disease cystic fibrosis.
Phlegm builds up in the lungs and digestive tract as a result of the hereditary disease cystic fibrosis. Infections of the lungs and issues with food digestion result from this. The ailment normally manifests as early childhood symptoms that change from kid to child. Over time, however, the condition slowly deteriorates, causing increased harm to the lungs and digestive system. Unfortunately, life expectancy is decreased despite the fact that there are treatments to help ease the challenges brought on by the condition and make it simpler to live with.
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What is the flexibility of spider silk determined by the structure of its molecules
Answers
The flexibility of spider silk determined by the structure of its molecules is quite strong.
The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.
The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.
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How is Tommy Silverstein from the book Hothouse: Life Inside Leavenworth Prison portrayed to have social learning theory? Are there any other theories that could work for him?
Answers
In the book Hothouse: Life Inside Leavenworth Prison by Valeri L. Gindel, Tommy Silverstein is portrayed as having social learning theory: the belief that behavior is learned through interactions with other people in society. Specifically, Silverstein is portrayed as having changed his views and behavior by observing and learning from other inmates. For example, after observing two of his peers in an argument with a guard, he "learned the power of silent, passive resistance" (Gindel 34). Thus, he was able to manipulate guards into giving him what he wanted, instead of acting out.
Silverstein is also depicted as being influenced by the shared values of his prison subculture, which helped him cope with the challenges of prison life. He observed the negative effects of the prison system on his peers, including those in solitary confinement, and learned to adopt a different attitude to better his own situation. He is portrayed as having learned to be both self-sufficient and work within the system to gain privileges.
In addition to social learning theory, Silverstein could be argued as having learned from the symbolic interactionism theory as well. This theory suggests that people's relationship to society is based on their interactions with one another and their interpretation of these interactions: Silverstein is portrayed as having effectively manipulated his peers and guards in order to gain more opportunities. Moreover, he was able to do this through his interpretations and reflexive understanding of his situation.
Finally, Silverstein could also be argued as having learned through discourse theory, which emphasizes the power of language to shape the lives of people. Silverstein is portrayed as having learned to adeptly use language to control certain conversations. For instance, he often rehearsed his conversations with guards in order to convey a sense of confidence. He also learned to use language to gain power over other inmates through negotiation, which in turn gave him power over the guards.
Overall, Tommy Silverstein from Hothouse: Life Inside Leavenworth Prison is portrayed as having social learning theory in order to both adapt to his prison environment and gain power over his peers and guards. However, there are a few other theories that could be argued for him, such as symbolic interactionism, discourse theory, and so on.
What is the polarity of the inside of the cell membrane?
Answers
The inside of a cell membrane is negatively charged relative to the outside.
What is polarity?
This refers to the asymmetric distribution of proteins, organelles, and cytoplasm, occurs in many forms . Almost all cell types exhibit some form of polarity, which aids them to carry out specialized functions.
The main component of the cell membrane is a phospholipid bi-layer or sandwich. The heads (the phospho part) are polar while the tails (the lipid part) are non-polar.
Cells containing compartments, such as epithelial cells, need polarisation to maintain the cellular contents in their correct partitions. Epithelial cells have the property of apical-basal polarity that enables the specialized trafficking of solutes. They also have planar polarity for organogenesis.
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If a colorblind female (XnXn) and a normal male (XNY) have a son, what are the chances he would be colorblind?
0%
100%
50%
25%
Answers
Answer:
50%
Explanation:
Make a punnet square
Xn Xn
XN XNXn XNXn
Y XnY XnY
Colorblind is a recessive trait (n) so the fraction is 2/4
If a colorblind female (XnXn) and a normal male (XNY) have a son, then the chances he would be colorblind is 50%.
Inheritance linked to the X chromosome is different from the inheritance of autonomic chromosomes because males inherit only one X chromosome.Conversely, females inherit two X chromosomes, thereby resembling mendelian autonomic inheritance.In the Punnet square:Xn Xn
XN XNXn XNXn
Y XnY XnY
In conclusion, if a colorblind female (XnXn) and a normal male (XNY) have a son, then the chances he would be colorblind is 50%.
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how do you prove the fact that green plant releases Oxygen gas in the process of photosynthesis explain the experiment.
Answers
Answer:
Aim : To prove that oxygen is produced during photosynthesis
Procedure : Place water plant in a beaker containing pond water.
Cover the plant with short stemmed funnel.Invert the test tube full of water and cover the stem of the funnel.While placing the test tube, ensure that the level of the water in beaker is above the level of stem of funnel.Expose the apparatus to the sunlight.
After few hours, gas bubbles will form and collect in the test tube.Test the gas in the test tube.
A glowing splinter bursts into the flame shows the presence of oxygen.
Observation: Gas bubbles in a test tube.
Result: Presence of oxygen.
Conclusion: Formation of gas bubbles prove that oxygen is produced by the green plants
16. variables that are kept the same in all groups
Answers
help please i beg i don’t know
Answers
Answer:B, D
Explanation:
When the roller coaster starts flying down the hill, it gains kinetic energy and loses potential energy.
Directions: Based on each person's statement, identify if you agree or disagree by
placing an X in one of the columns on the chart on the back and then explain your
reasoning.
Courtney
Jose
Raquan
Mike
Keisha
Alex
Agree Disagree
Explain your reasoning
Answers
Based on each person's statement, here is my analysis:
Courtney: I disagree with Courtney's statement "Obviously, there was not enough food in the sea, so a mutation occurred and that caused Tiktaalik to be able to go on the land." While it is possible that there was not enough food in the sea, the statement suggests that a single mutation was the sole cause of Tiktaalik's ability to go on land, when in reality, evolution is a complex and multifaceted process that is influenced by many different factors.Jose: I disagree with Jose's statement "Tiktaalik must have needed to develop fins that were capable of supporting movement on land." This statement suggests that Tiktaalik needed to develop specific traits in order to survive when in reality, again, evolution is a complex and multifaceted process that is influenced by many different factors.Raquan: I agree with Raquan's statement "Clearly, Tiktaalik encountered a changing environment and it adapted to it." This accurately describes the process of evolution and the role that the environment plays in it.Mike: I disagree with Mike's statement "once it acquired the trait of fins capable of supporting movement on land, as Jose suggested, it passed them onto its offspring." This statement is based on Jose's incorrect statement, so it is also incorrect.Keisha: I agree with Keisha's statement "we do think this is an example of evolution?" This is a question rather than a statement, but based on the previous statements, it seems that the group is discussing the evolution of Tiktaalik. Therefore, Keisha's question is appropriate.Alex: I agree with Alex's statement "I'm not so sure if Tiktaalik evolved into the tetrapods we see today. If Tiktaalik is a fossil, it should be extinct." Tiktaalik is indeed a fossil, and it is thought to be an extinct transitional species that lived approximately 375 million years ago. It is believed to be a link between fish and the first tetrapods, which were the earliest four-limbed vertebrates that could walk on land. However, it is not likely that Tiktaalik evolved directly into the tetrapods we see today, as evolution is a complex process that involves many branching and diverging paths over time.is ocean-ocean subduction a convergent boundary
Answers
The oceanic plate will always subduct at a convergent border between the oceanic and continental lithosphere, resulting in earthquakes and volcanic arcs.
Describe subduction?the act or procedure whereby one crustal plate's edge moves beneath another in plate tectonics.
Subduction definition: subtracting, diminution, reducing, decreasing, or discounting.
Why does a subduction occur?When two plates clash at a convergent boundary, subduction occurs when one plate is forced beneath the other and back into the interior of the Earth. Convergence does not always result in subduction. When continents collide, continental rocks collapse but remain at the surface because they are too buoyant to be driven downward.
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Oompah’s with type O blood receive a tax break. ophine oompah has type a blood, but he wants a wife that will give him children with type o. what blood type should he request on his dating survey? what must Opine’s blood type be in order to produce offspring with type O blood?
Answers
Answer:
He should request type O on his dating survey.
Opine's blood type must be AO to have a higher probability of producing O offsprings.
Explanation:
O blood type is recessive so, when it is paired with another blood type like B or A, these would be dominant, giving B and A blood, respectively.
O blood type results are possible thanks to OO genotypes.
If the man's blood type is A, to have a higher chance of producing OO offsprings, his blood should be AO. The other possibility is that he has AA blood, which will result in a low probability of OO offsprings.
As regards the mother, her blood type should be OO.
We can see this more clearly in Punnet Square.
║ A ║O
O║AO║OO
O║AO║OO
There is a 50% of probability of having O offsprings with AO and OO.
║ A ║A
O║AO║AO
O║AO║AO
With AA and OO, the probability is 0%
║ A ║O
A║AA║AO
O║AO║OO
With both parents having AO, blood the probability of having a OO offspring is 25%.
In conclusion, the higher chances of producing a OO offspring is if the parents are AO and OO.
Please help me thank you so much
Answers
Answer:
Independent Variable #1: The weight of the lifeguard
Dependent Variable #1: The life jackets
Independent Variable #2: The person
Dependent Variable #2: The gum flavors
Explanation:
Independent Variable is what stands alone, or doesn't change. In the question for #1 it never says if they changed the weight.
Dependent Variable cannot stand alone, or the outcome. So without the weight of the life guard then you can't test each life vest, and your outcome is which life vest works best.
Same thing for the independent Variable for #2, the person does not change.
The gum flavors is your dependent variable because thats what's changing, and without the person to test, then how will they know which gum keeps its flavor the longest?
Hope this helps!! :)
What type of graph or chart would best represent
the data presented in the table?
a bar graph
a line graph
a pie chart
Answers
Answer:
b. line graph
Explanation:
on edge
Answer:
b
Explanation:
which best explains a system
A structure that carries out a specific function
B group of organs that carry out different function
Croup of organs that work together to carry out a specific function
D way that organism operate
Answers
Answer:
C
Explanation:
Group of organs that work together to carry out a specific function - > Organ system