Answer:
echinoderms
Explanation:
they are in the same family as starfish and sea urchins
Answer:
echinoderms
Explanation:
I hope this helps
What caused this species to become extinct?
Answer:
Which species?
Explanation:
If you are talking about dinosaurs and their relatives, then there are many theories. One is a flood wiped them out, which is what Christians believe. Scientists also think that a meteor, volcano eruption, or sudden change of climate could have caused the extinction.
Answer:
Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. Dinosaurs, for instance, lost their habitat about 65 million years ago. ... Dinosaurs became endangered, then extinct
Explanation:
Hope this will help
which ter,s descrobes each of these steps in the translation process
a.The ribosomeshifts down to the next codon on the mRNA elongation b.The large and smalt ribosomal subunits, a tRNA carrying methionine and the mRNA transcript combine =
c. A stop codon enters the A site on the ribosome - Termination d.The growing peptide carned by the RNA at the site on the ribosome is transfered to the amino acid carried by the tRNA at the A site- e.A MrNA codon is matched with the RNA with a complementary anti-codon
a. Elongation: Ribosome shifts to the next mRNA codon.
b. Initiation: Ribosomal subunits, tRNA, mRNA combine.
c. Termination: Stop codon enters A site.
d. Translocation: Peptide transferred from P to A site.
e. Codon-Anticodon Recognition: mRNA codon matches tRNA anticodon.
a. Elongation: During translation, after the ribosome binds to the mRNA at the start codon, it shifts down to the next codon on the mRNA.
b. Initiation: Translation begins with the assembly of the translation initiation complex. The small ribosomal subunit binds to the mRNA, and the initiator tRNA carrying methionine binds to the start codon.
c. Termination: When a stop codon (UAA, UAG, or UGA) enters the A site of the ribosome, it does not have a corresponding tRNA.
d. Translocation: During elongation, the growing polypeptide chain is transferred from the tRNA in the P site to the amino acid carried by the tRNA in the A site.
e. Codon-Anticodon Recognition: Each mRNA codon is matched with a complementary anticodon on the tRNA. The anticodon of the tRNA recognizes and binds to the codon on the mRNA through base pairing rules.
To learn more about mRNA follow the link:
https://brainly.com/question/32350341
#SPJ4
In a typical food web, where would you generally classify a fungus? A. producer B. primary consumer C. secondary consumer d. tertiary consumer E. decomposer
Answer:
A
Explanation:
a fungus is a plant so it is a producer
How do biological constraints affect classical and operant conditioning?
An animal's capacity for conditioning is limited by biological constraints, so some associations are easier to learn. Each species learns behaviors that aid its survival—a phenomenon called preparedness. Those who readily learned taste aversions were unlikely to eat the same toxic food again and were more likely to survive and leave descendants. Nature constrains each species' capacity for both classical conditioning and operant conditioning. Our preparedness to associate a CS with a US that follows predictably and immediately is often (but not always) adaptive. During operant training, animals may display instinctive drift by reverting to biologically predisposed patterns.
Natural responses and defensive mechanisms that keep animals from getting sick can outweigh classical conditioning and classical learning, respectively.
Because of biological limitations, certain relationships are simpler for animals to learn than others. Every species picks up skills that help it survive; this is known as readiness. They were less likely to consume the same poisonous meal again and more likely to live and leave offspring if they were able to pick up taste aversions quickly.
Each species' potential for both classical and operant training is limited by nature. It is frequently (but not always) adaptive of us to anticipate a CS with a US that follows reliably and quickly. Animals may exhibit instinctual drift during operant training by returning to biologically predisposed habits.
Learn more about to biological constraints visit here :
https://brainly.com/question/9137527
#SPJ4
helppppppppppppppppp
Answer:
Choose the corresponding number. (The answer is explained in the explanation in the biological terms).
Explanation:
The label that points to the part of the ATP synthase that is like the blades of a turbine is labeled "F1." The F1 component of ATP synthase contains the catalytic sites responsible for synthesizing ATP, and it rotates like a turbine to drive the synthesis of ATP. Similarly to how the blades of a turbine are moved by water or wind, the F1 component is rotated by the flow of protons through the enzyme, which generates the energy needed to produce ATP.
Hydrophilic molecules readily associate with
A) hydrophobic molecules.
B) water molecules.
C) lipid molecules.
D) both \(\mathrm{A}\) and \(\mathrm{B}\)
E) all of the above
Hydrophilic molecules readily associate with water molecules, because these molecules are water-loving, hence option B is correct.
What are hydrophilic molecules?It is the molecule that sets the interaction with water and other polar molecules to set the thermodynamically favorable condition. They are generally charge-polarized and competent in hydrogen bonding.
Hydrophilic molecules attract the water to a certain degree of extent this is known as the hydrophilicity of molecules. Hydrophobic molecules are nonpolar molecules that can not interact with water.
Examples of hydrophilic molecules are starch, sugar, and salt, which easily interact with water.
Therefore, hydrophilic molecules readily associate with water molecules, hence option B is correct.
Learn more about hydrophilic molecules, here:
https://brainly.com/question/11240617
#SPJ5
I have to make a portfolio about a chapter called Natural Resources. What topics should the portfolio include?
Answer:
Explanation:
I'll give you a few things to do overall, but the other one who answered my question has all the good points. Your portfolio must include :-
Cover Page Table of contents
Topic of discussion and brief explanation
Charts, pictures or any art works relevant to the topic
Survey, Project or Case study
Brief conclusion
Reference {Websites from which you reffered }
Hope it helps! Thank you!!!
4 Suggest how being an annual plant helps a weed to live in its habitat.
Answer:
Answer is on the pic
Explanation:
I hope it's helpful!
If a diploid cell containing a large number of chromosomes skipped crossing over but completed the other steps of meiotic cell division to produce gametes, what would be the outcome?
The daughter cells will have paternal or maternal chromosomes.
What is crossing over?It is a major step in meiotic cell division during which non-sister chromatids exchange chromosomal segments, and as such, the genetic materials in the segments.
The process of crossing over happens at prophase I of meiosis I with the result being daughter cells whose chromosomes have been recombined as well as reconstructed.
Without crossing over, meiosis will end up producing daughter cells with either maternal or paternal chromosomes. The effect is that the number of genetic recombination in the daughter cells has been significantly reduced.
More on crossing over can be found here: https://brainly.com/question/27256451
#SPJ1
The force of Gravity pulls the water towards the ground ,then why does it move against this gravitational force in a plant?????
I don't understand what do you mean exactly... But that what I've got...
1. If your question why water comes up in the plant it will be because it goes to leaves of the plant to feed the flower. It moves up by using the stem...
2. But if you mean why gravity force pull water down to the flour and it will come up inside the plant so the answer will be because there are a lot of parts of the plant that needs water.... And actually food that leaves are making for the plant will come to the roots again to make them stronger.
What factors cause mutations?
Mutations have numerous probable causes. It appears that certain mutations take place on their own, unprompted by any external factor. Incorrect steps taken during the replication or transcription of DNA can result in their appearance.
Environmental factors are responsible for the development of other mutations. A mutagen is any component of the natural environment that has the potential to bring about genetic change. Mutagenic agents, which are those that can cause mutations in DNA and hence represent a risk to human health, are those that can endanger the integrity of the genetic code. They have long been suspected of playing a role in a variety of genetically inherited disorders, in addition to cancer, aging, and neurological conditions such as Alzheimer's disease.
Want to know more about mutations visit the link which is given below;
https://brainly.com/question/1728110
#SPJ4
Draw a hypothetical graph showing the growth progression of
lactic acid bacteria and coliforms in a successful Pickled Mustard
Greens fermentation. Also, properly label the graph.
A hypothetical graph showing the growth progression of lactic acid bacteria and coliforms in a successful Pickled Mustard Greens fermentation is properly labeled and is used to explain the relationship between the two microorganisms.
Lactic acid bacteria and coliforms are two of the many microorganisms that are involved in the process of Pickled Mustard Greens fermentation. Lactic acid bacteria are the main microorganisms involved in the Pickled Mustard Greens fermentation, while coliforms are considered indicators of fecal contamination. During the Pickled Mustard Greens fermentation, lactic acid bacteria increase while coliforms decrease in number. This is because lactic acid bacteria utilize the available sugars and nutrients in the brine to produce lactic acid.
The lactic acid produced by the lactic acid bacteria inhibits the growth of coliforms, leading to their decrease in number. A hypothetical graph showing the growth progression of lactic acid bacteria and coliforms in a successful Pickled Mustard Greens fermentation is shown below. The graph is properly labeled with the x-axis representing time, the y-axis representing the number of microorganisms, and two lines representing the growth progression of lactic acid bacteria and coliforms.
Lactic acid bacteria increase while coliforms decrease in number during the Pickled Mustard Greens fermentation. This is due to the production of lactic acid by the lactic acid bacteria which inhibits the growth of coliforms.
A hypothetical graph showing the growth progression of lactic acid bacteria and coliforms in a successful Pickled Mustard Greens fermentation is properly labeled and is used to explain the relationship between the two microorganisms.
To know more about Lactic acid bacteria visit:
brainly.com/question/22060383
#SPJ11
individual organism can adaptTrue, But it has to increase their fitnesssometimes, it depends on where they are located if the adoption is helpful or notfalse, only a population can adapt
Organisms can adapt to different environments, however, this usually occurs over generations and at the population level. At the level of the individual, an example is mutations, in which the offspring may have different characteristics from the progeny. However, these adaptations of the offspring will either be detrimental or give an advantage depending on the environment in which it is
Because these changes occur gradually over generations, individual organisms cannot increase their fitness on their own. And although there are special cases in which an organism can adapt to environmental changes through a phenomenon called phenotypic plasticity, this is not common in all species and is not due to a genetic change in the individual. Therefore, the answer would be B (sometimes, it depends on where they are located if the adaptation is helpful or not).
A woman brings in a spray puppy she has rescued off the street. She wants to adopt the dog.
but it looks sick. The dog seems tired, will not eat, and has diarrhea. Dr. Snyder looks very concerned. He takes a small sample of the puppy's feces and runs a test. Fifteen minutes later he comes back with bad news: the puppy has parvovirus. The disease is often fetal, but many dogs survive with good treatment.
Dr. Snyder tells Lizzie that parvovirus is preventable, and a dog cannot get infected if it is given a shot.
What type of shot would prevent a dog from the parvovirus disease? Explain how this shot protects a
dog so it cannot get sick from a virus.
Answer:
DHPP Vaccine
Explanation:
is used to protect your pet
When is light produced?
A. when an electron moves down an atomic orbit
B.when two electrons collide
C.when an electron moves up an atomic orbit
Answer: Up
Explanation: when an electron goes up it produces more energy which makes light. :)
What’s an example of a mutualism ecological relationship in a tundra biome?
Answer:
Answer. Mutualism: One example of symbiotic mutualism in the tundra biome involves lichens. Lichen does look like moss but actually represents a symbiotic relationship between fungi and algae or algae. The fungus "eats" the sugar in the algae for photosynthesis and the algae receives protection from the fungus.
QuestionMitochondria, ribosomes/ and vacuoles are examples of
Answer:
vacuoles, ribosomes, and mitochondria are all examples of organelles.
because that is what they are all called when they are in the cell.
Thermodynamics
Heat is thermal energy which is passed on or transferred from one object to another. You may have experienced the many different ways heat can transfer energy; from the rays of the sun, to flow of a breeze.
100% energy in the form of solar radiation
34% reflected from clouds & dust
02% Photosvnines
Wind 1%
Evaporating Water 23%
42% towards heating surface and atmosphere
It takes eight minutes for electromagnetic waves to transfer energy from the sun to the earth. This particular type of energy transfer is known as solar radiation.
As the radiation strikes the earth, molecules within the crust of earth begin to move. As the molecules in the earth begin to collide, the process of conduction begins. If you have ever visited the beach during the warm summer months, you have probably experienced walking on very hot sand. The hot sand is the result of the sun's rays transferring heat through the collision of molecules which is known as conduction. As the land of the earth becomes heated, the molecules in the air above the land are affected. As an air mass becomes warmer, it also becomes less dense and begins to rise. As the density changes and the air mass begin to flow, the process known as convection has begun.
Answer the following questions
1. A light was left on over night on a desk. What kind of heat was being let off from the bulb?
a. Convection
b. Conduction
c. Radiation
d. Solar
2. During the summer the energy from the sun causes the black top on some roads to get so hot, the tar bubbles on the surface. What kind of energy transfer causes the molecules within the black top to move?
a. Convection
b. Conduction
c. Radiation
d. Potential
3. Within the local weather report, high winds are said to be moving into the area. What type of energy is responsible for the flow of energy which creates wind?
a.
Radiation
b.
Convection
C.
Conduction
d.
Potential
4. Radiation is energy which is transferred through
a. Waves
b. Convection
c. Conduction
d. movement
5. Pam places a test tube containing water over a Bunsen burner and lights it. On another sheet of paper, describe the heating process of the contents of the test tube. Within your answer be sure to:
• Identify each phase of thermodynamics, including; conduction and convection
• Describe the movement of the water molecules
1) The correct answer is c. Radiation. The heat being let off from the bulb is in the form of thermal energy, which is transferred through electromagnetic waves, or radiation.
2) The correct answer is b. Conduction. The energy from the sun is transferred to the black top through radiation, but the heat causes the molecules within the black top to move through conduction, which is the transfer of heat through collisions between molecules.
3) The correct answer is b. Convection. Wind is created by the movement of air masses, which is driven by convection, the transfer of heat through the movement of fluids (in this case, air).
4) The correct answer is a. Waves. Radiation is the transfer of energy through electromagnetic waves, such as visible light, infrared radiation, and ultraviolet radiation.
5) As the Bunsen burner heats the test tube, the water molecules within the test tube begin to move faster and collide with one another, causing the temperature of the water to increase. This is an example of conduction, the transfer of heat through collisions between molecules. As the water near the bottom of the test tube is heated, it becomes less dense and begins to rise, while cooler water from the top of the test tube sinks down to take its place. This is an example of convection, the transfer of heat through the movement of fluids.
#SPJ1
In a certain species of flowering plant; the allele for red petal color is dominant and the allele for white petal color is recessive: If you mated a homozygous red flower with a homozygous white flower, what would you expect the offspring to look like?
Answer:
Explanation:
If a homozygous red flower (RR) is mated with a homozygous white flower (rr), all the offspring (F1 generation) will be heterozygous for petal color (Rr) and will have red petals.
This is because the allele for red petal color is dominant over the allele for white petal color. The genotype of the F1 generation will be Rr, and the phenotype will be red. If the F1 generation plants are self-crossed, then the resulting offspring (F2 generation) will have a phenotypic ratio of 3:1, with three having red petals (one homozygous dominant RR and two heterozygous Rr) and one having white petals (homozygous recessive rr).
know more about homozygous flower:brainly.com/question/31116386
#SPJ11
Axons crossing from one side of the spinal cord to the other within the gray matter are found in the
A) anterior gray horns.
B) lateral gray horns.
C) posterior gray horns.
D) gray commissures.
E) white commissures.
Axons crossing from one side of the spinal cord to the other within the gray matter are found in the gray commissures. Therefore, option D is the correct answer.
The gray commissures are regions of gray matter that connect the two sides of the spinal cord. They contain bundles of axons that cross from one side to the other and are involved in relaying information between the left and right sides of the body. The gray commissures are located at different levels of the spinal cord and are surrounded by white matter.
The anterior gray horns (option A) contain motor neurons that innervate skeletal muscle, while the posterior gray horns (option C) contain sensory neurons that receive sensory information from the periphery. The lateral gray horns (option B) are only present in the thoracic and upper lumbar regions of the spinal cord and contain preganglionic sympathetic neurons. The white commissures (option E) are regions of white matter that connect the two sides of the spinal cord and contain axons that ascend or descend the spinal cord, but do not cross from one side to the other.
The gray commissures are important structures in the spinal cord because they allow for communication between the left and right sides of the body. They contain bundles of axons that cross from one side to the other and are involved in relaying information between the two sides.
There are two gray commissures in the spinal cord: the anterior gray commissure and the posterior gray commissure. The anterior gray commissure is located at the front of the spinal cord and contains axons that cross over from the left to the right side of the cord. The posterior gray commissure is located at the back of the spinal cord and contains axons that cross over from the right to the left side of the cord.
The gray commissures are located in the central part of the spinal cord and are surrounded by white matter. The white matter contains ascending and descending axons that connect different levels of the spinal cord to the brain and other parts of the body.
The gray commissures play an important role in coordinating movements on the left and right sides of the body. For example, when we walk or run, the muscles on the left and right sides of the body need to work together in a coordinated manner. The gray commissures help to ensure that the motor signals sent by the brain are relayed to the appropriate muscles on both sides of the body, allowing for smooth and coordinated movements.
In addition to their role in motor coordination, the gray commissures are also involved in the processing of sensory information. The axons that cross over in the gray commissures allow sensory information from one side of the body to be transmitted to the opposite side of the spinal cord, where it can be processed and integrated with other sensory information.
To know more about axons
brainly.com/question/28234182
#SPJ11
If an organism has the following genes: TtPpGg, what proportion of gametes will be tpg?
-1/8
-1/3
-1/6
-none of the above
If an organism has the genes TtPpGg, 1/8 or 12.5% of the gametes will be tpg.
This can be determined using the principle of independent assortment, which states that alleles of different genes segregate independently during meiosis. Therefore, the gametes produced by an individual with the genotype TtPpGg will have all possible combinations of alleles. Since the lowercase alleles (tpg) are recessive, they will only be expressed if an individual has two copies of them. Therefore, only 1 out of 8 possible gametes will have the tpg combination, which is obtained by multiplying the probability of each lowercase allele (1/2 x 1/2 x 1/2 = 1/8).
Learn more about genotype here:
brainly.com/question/29156144
#SPJ11
Yooo is Fire a living thing?
Answer:
no
Explanation:
it wouldn't be ideal to define fire as a living thing because it doesn't possess the characteristics of living things.
PLZ HURRY What do these chemicals have in common? Auxin, gibberellin, and cytokinin. they produce photosynthesis they are artificial regulators they are natural regulators they prevent tropisms
Answer:
they are plant growth hormones it means aid growth in plant
Answer:
All of the listed hormones achieve their effects by stimulating or inhibiting cell division or cell elongation.
(btw bro respond back)
Ok im gonna hide a letter right aboutittttttttttttttttttttttttttttttttttttttttttttttttttttttt Now ok go find it
Answer:
Uh. . . i?
Explanation:
Answer:
the i is right after the first "t" ;)
Explanation:
HELP ME NOW PLEASE !!Mangrove trees are an important part of a mangrove wetland community. Other populations of plants and animals in this community rely on mageove trees for food & shelter. Which of these is a limiting factor on mangrove community populations that is unrelated to the density of mangrove trees?
**look at abcd in the picture**
Answer:
climate, salt water, tidal fluctuation and soil type
Explanation:
Climate, salt water, tidal fluctuation and soil type are the limiting factors for the mangrove wetland community. mangrove plants only present on wetland regions where the climate is humid. It also grow on the land where saline soil is found but excess saline conditions reduces its normal growth and development. For better growth of mangrove plants, soils made up of sand, silt and clay which are rich in organic matter.
Answer: B- severity of hurricanes
Explanation:
Which is not a source of carbon dioxide?
O Forest fires
O Volcanoes
O Glaciers
OThe use of fossil fuels
Hi there! :)
Answer:
Glaciers.
Explanation:
Forest fires, Volcanoes and the use of fossil fuels all are sites of combustion. Carbon dioxide, or \(CO_{2}\) is a byproduct of this reaction, which makes them sources of this gas.
On the other hand, glaciers are large, frozen reservoirs of water \((H_{2}O)\) , which makes them not sources of carbon dioxide.
Does the endocrine system interact with any other organs!!! PLEASE HELP QUICK!!!
Answer:
yes,
The brain sends a message to the endocrine system (via the pituitary gland) for the adrenal glands to secrete their hormones cortisol and adrenaline. These hormones flood the circulation and affect other organ systems throughout the body, including the cardiovascular, urinary, sensory, and digestive systems.
What is the other main type of chemical bond?
Answer:
Explanation:
Answer:
answer (UNDER)
Explanation:
Chemical bonds include covalent, polar covalent, and ionic bonds. Atoms with relatively similar electronegativities share electrons between them and are connected by covalent bonds. Atoms with large differences in electronegativity transfer electrons to form ions. The ions then are attracted to each other.
to study the details of protein molecules on the surface of a cell a biologist wouldmost likely use a
Scanning electron microscope (SEM) can be used to study the details of protein molecules present on the surface of a cell. These give a three-dimensional structure of the molecules. Thus, the correct option is A.
What is Scanning Electron Microscope (SEM)?Scanning electron microscope (SEM) is a type of electron microscope, designed to directly study the surfaces of solid objects, that utilizes a beam of focused electrons of relatively low energy is scanned in a regular manner over the specimen to be observed.
Scanning electron microscopes use an electron beam to study samples with a resolution. The electrons are emitted from a filament and collect into a beam in the electron source. The beam is focused on the sample by a set of lenses in the column.
Therefore, the correct option is A.
Learn more about Proteins here:
https://brainly.com/question/17095120
#SPJ1
Your question is incomplete, most probably the complete question will be:
To study the details of protein molecules on the surface of a cell a biologist would most likely use a:
a. scanning electron microscope
b. transmission electron microscope
c. compound light microscope
d. dissecting microscope
significance of sexual reproduction
please answer fast
Answer:
Sexual reproduction is the process in which male and female gamete fuse to form zygote through a process called fertilization and it is important for plants as it provides variation to the progeny that helps in the better survival and help it to gain its own uniqueness within the species and remove the unwanted genes and lower the risk of getting a disease
Answer:
Sexual reproduction leads to variation which provides protection as different organisms will be more prone to different things