Why are certain traits adaptations in one ecosystem, but not in another?
A. All ecosystems have the same amount of competition.
B. Organisms lose adaptations when they migrate.
C. Ecosystems can have different conditions.
D. Organisms can learn new adaptations.
Draw the basic structure of Adenosine triphosphate below, labeling each of the three components. What makes this molecule unique in terms of structure and function compared to DNA or RNA?List the unique structures and function of ATP
Adenosine triphosphate consits of nitrogenous base of a ribose sugar (middle) attached to a adenine (green) and three phosphate groups (left).
It functions as the energy source in cellular processes.
My question is in the image!!
C. ADP + P ---> ATP
Cell Transport
1) Complete the table by checking the correct column for each statement:
Statement
Isotonic Hypotonic
solution
solution
Causes a cell to swell
Doesn't change the shape of a cell
Causes a cell to shrink
Hypertonic
solution
A Hypotonic solution is a fluid with fewer dissolved particles than are present in blood and healthy cells, such as salt and other electrolytes.
What ingredients are present in hypotonic solutions?A fluid with fewer dissolved particles than are present in blood and healthy cells, such as salt and other electrolytes. In order to treat or prevent dehydration, fluids are frequently administered intravenously to hospitalized patients using hypotonic solutions.
Hypotonic solution either grows or shrinks Explain.The cell is constricting as a result of an increased solute content in a hypertonic solution and a net migration of water outside. A hypotonic solution induces internal water exchange within the cell and reduces solute concentration, which may result in swelling or cell rupture.
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Do most hormone feedback loops operate on a negative feedback loop or a positive feedback loop and why? Which kind of feedback loop is more common in the human body? How one of the feedback loops works for regulation of hormones in the bloodstream
Most feedbabk loops hormones work on a negative feedback loop, that increase output from system inhibits future production of the hormone by the system, the body reduces the amount of the hormone or proteins when their levels get too high in the bloodstream (most of the endocrine hormones are regulated that way), this ensures homeostasis. The negative feedback is the most common in the human body. The feedback loops control the amount and liberation of hormones by the balance of concentration of these in the bloodstream, if there is high amount of the substance it will start several molecular signals that will interrupt the production of the hormone, and therefore give the time for the body metabolize the ones already present in the bloodstream.
biology question please help!
Answer:
Explanation:
Methane and oxygen will give carbon dioxide and water
I do not know what exactly is the question is it to balance the equation?
after a signal binds to a signal receptor, the next step is transduction. why is the signal transduction step necessary?
After a signal binds to a signal receptor, the next step is transduction. The signal transduction steps are necessary because the more molecules that share the obligation of passing the sign to spark off the effector the greater fast and more efficaciously the message can spread.
Signal transduction is the method via which an extracellular molecule turns on a membrane protein, which in flip turns on molecules inside the mobile.
Signal transduction pathways are used to deliver messages of ligands into adjustments of the organic activity of target cells. Aberrant signaling through communication pathways may additionally result in illnesses, and signal transduction pathways are increasingly the target for drug development.
In effect, signal transduction is stated to have three steps: First, reception, wherein the sign molecule binds the receptor. Then, signal transduction, that's wherein the chemical signal affects a series of enzyme activations. in the end, the reaction, is the ensuing cell responses.
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compare and contrast a community and a ecosystem
A community is a group of populations that habit a given geographic area, while an ecosystem also includes abiotic factors.
What is a community?In ecology, a community can be defined as a group of populations of different species that live together in a given area. Conversely, an ecosystem is a community, and also abiotic factors such as temperature that interact to shape the environment.
Therefore, we can conclude that a community is different of the term ecosystem because this last one also include abiotic factors instead of only biotic factors (i.e, group of populations).
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An adaptation that some plants
have to help avoid herbivory is
that...
A. they grow taller to be out of reach.
B. they are toxic or poisonous.
C. They grow underground to avoid detection.
An adaptation that some plants have to help avoid herbivores is that they are toxic or poisonous (Option B).
What is a biological adaptation?A biological adaptation is any particular trait or behavior in an organism that maximizes its evolutionary fitness, i.e. its differential rate for reproduction and survival in particular environmental conditions such as toxicity in plants to avoid predators by enhancing its performance of survival.
Therefore, with this information, we can conclude that a biological adaptation can be associated with toxicity in plants which is required to avoid predators by enhancing plant performance of survival.
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I need help with this question, please help me my assignment is due tomorrow!
Describe the relationship between a cells surface area-to-volume ratio and the transport of wastes from inside the cell to the outside environment.
The surface area to volume ratio is important as it determines the efficiency of waste transport and gaseous exchange.
What is cell?The cell is the smallest unit an organism. We know that the cell performs all the basic functions that keeps it alive. As such the cell is the known basic unit of life. The size of the cell have been shown to be important in the function of the cell as we can see here.
The cell does produce waste and the cell removes the waste that is produced from the metabolic processes by the diffusion of the waste out of the cell.
We know that the size of the cell plays a key role in the process of waste transport from inside to the outside of the cell. As such the organisms that are unicellular have a large surface area to volume ratio and this enables them to perform gaseous exchange.
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What is the literal meaning of virus?
Answer:
1)_ a living thing, too small to be seen without a special instrument (microscope), that causes disease in people, animals and plants
2)_ instructions that are put into a computer program in order to stop it working properly and destroy information
read the attachment 15 points
The statement it prevents particles from transferring thermal energy between the inner and outer bottles best describes the purpose of the vacuum inside a thermos (Option D).
What is the meaning of a vacuum?The main meaning of a vacuum is to leave space (empty space) in order to produce a completely closed system, which may be used for investigation purposes such as, for example, to understand how a steady temperature may affect a given enzymatic process.
In a vacuum, the energy can not be transferred and therefore the temperature will remain constant in the closed system. This situation allow us to understand certain physical and chemical processes in the real world.
Therefore, we can conclude that using a vacuum may be very useful to avoid the transference of energy and thus generate a completely closed system to study its properties and characteristics.
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The evolution of new traits is possible because_________________
a) selection can anticipate future environmental changes.
b) mutation and recombination during sexual reproduction produce new genotypes.
c) selection can act on the expression of existing traits in new tissue/organs leading to
novel functions.
d) punctuated equilibrium and gradualism always take place in nature.
Answer:
the answer is d
the answer is d
Which statement about development in the embryonic stage of development is true?
a. The embryo is viable by the end of the stage.
b. The primitive portions of the brain form last.
c. At this end of this period, the organism is about 10 inches long.
d. The eyes develop between days 21 and 28.
Your baby goes through a period of rapid change after conception known as the embryonic stage. The infant is referred to as an embryo at this point. The eyes form between days 21 and 28.
What is meant by the embryonic stage?Your baby goes through a period of rapid change after conception known as the embryonic stage. From the fifth to the tenth week of pregnancy, this phase lasts. The infant is referred to as an embryo at this point. The embryonic stage is when a lot of changes take place.
An embryo exists the first stage of a multicellular organism's development. Embryonic development is the phase of the life cycle that starts right after the male sperm cell fertilizes the female egg cell in sexually reproducing organisms.
The embryo is about the size of a pea at four weeks old. The head is defined by crudely drawn eyes and ears, and tiny bumps serve as the body's arms and legs. The embryo also has a developing nervous system and its head is growing.
Therefore, the correct answer is option d. The eyes form between days 21 and 28.
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WRITE A SUMMARY FOR THIS ARTICLE
You may hear the phrase: "We are losing our soil." Sounds serious…but how do we lose soil? Nick Comerford, a member of the Soil Science Society of America (SSSA) and professor at the University of Florida, provides the answer.
Soil erosion is the movement of soil by wind or water, and it's through erosion that soil is "lost." If it is an organic soil, we also lose it by subsidence which happens when an organic soil is drained and its organic matter decomposes.
We lose about 1.7 billion tons of soil per year from just our cropland. That is a lot, but it's better than it used to be. Over the past 25 years we have reduced soil erosion by over 40%, mainly by conservation practices such as conservation tillage, terracing, cover crops, and grass waterways. It can take roughly 500 to 1000 years to form one inch of soil, depending on the climate and the material from which soil forms.
With that in mind it is not hard to see that soil is a non-renewable resource and worth protecting. Since the soil is the source of water and nutrients for plants as well as a bioreactor to purify and filter water, it is crucial to our quality of life.
Soil erosion occurs when the soil is not protected from the elements. Remove the plants and mulch from mineral soil and things start to happen. Raindrops can break apart the soil making it easier to move it by wind and water. The water's ability to enter the soil is reduced and more water now can flow over the top of the soil. Unfortunately, water is powerful and can carry away soil particles if it flows overland. Since water flows downhill, that's where the soil goes once water erosion begins.
Where does the soil end up? It might end up at the bottom of a hill, or it might end up in a river or stream or in the ocean, or it might end up in a reservoir. If the soil ends up in a reservoir, it limits the space for water and has to be removed by a very expensive process called dredging. If the soil dries out while it is unprotected, then wind can pick it up and move it downwind.
Organic soils can be drained. When drained, they decompose and this is called subsidence. In the Everglades area of Florida where soils have been drained for agriculture, organic soils have lost as much as five feet or more of their organic matter. Organic soils are preserved by not draining them. Letting them stay saturated with water allows them to continue to build over time.
Soil erosion is expensive. It costs the United States about $44 billion per year. Preventing erosion means taking care of the soil. That means protecting it with mulch and plants, not plowing on steep slopes, and maximizing the amount of water that enters the soil while minimizing the water that runs over the soil.
In this text the author wants to inform about the importance of the soil for human life and explain what are the problems that affect this resource.
What is a summary?A summary is a term that refers to a type of written text that is characterized by synthesizing the main ideas of a text. Generally, the abstract is a way of exposing the same thing that is exposing a text with a smaller extension because the abstracts usually have about 25% of the extension of the original.
Summary of the textIn reality, the soil is lost, according to Nick Comerford professor at the University of Florida, soil erosion is one of the major problems that affects this resource. Nick refers to erosion as the phenomenon whereby the soil moves as a result of the action of water and wind.
On the other hand, Nick points out that in the United States about 1.7 billion tons of soil are lost each year. Additionally, during the last 25 years, conservation practices have allowed 40% more soil to be conserved.
According to the above, it can be inferred that the soil is a non-renewable resource and that its value for a good quality of life in general is very high because it is a resource that has to do with the production of water and nutrients for the floors.
On the other hand, we must know the factors that cause the soil to erode, some of these phenomena are: the lack of protection of the soil, the beating of raindrops and the movement of the wind. In most cases, soil particles that are carried by water end up deep in bodies of water.
Another action that deteriorates the quality of the soils is the drainage of soils, an example of this is found in the state of Florida where the soils have lost up to five of their organic matter as a result of drainage.
Finally, the loss of land generates great economic losses for the nation of about 44 billion a year. Therefore, the call is for us to protect the soil from erosion to prevent its deterioration.
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What organelle functions are not important or could be done by another organelle in a cell? (Don’t say that they’re all important even though they are)
Answer:Cytoplasm. The cytoplasm is present both in plant and animal cells.
Explanation:
Do you believe humans evolved from apes? Why do you think that?
Answer:
NO
Explanation:
We do share a common ape ancestor with chimpanzees. It lived between 8 and 6 million years ago. But humans and chimpanzees evolved differently from that same ancestor. All apes and monkeys share a more distant relative, which lived about 25 million years ago.
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Chimpanzees and other living big apes are not the ancestors of humans. Instead, our ancestor was a person like you and me who lived around 10 million years ago.
Chimpanzees and we do have a shared ape ancestry. Between 8 and 6 million years ago, it was alive. However, chimpanzees and humans diverged from the same progenitor in distinct ways. A more distant cousin of all apes and monkeys existed around 25 million years ago. Researchers believe that as early humans began to spend more time on the ground, they started to set themselves apart from early chimpanzees. Isbell speculated that when our ancestors explored new environments, they could have been on the lookout for food. Our common ancestor with apes, who lived and perished in the distant past, is where we originated and descended from. This proves that not only are we apes ourselves, but also that we are linked to other apes. The other current ape species, who coexist with us in the wild and in zoos, have also descended from that same common ancestor.To learn more about apes
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Need help biology and the answe is not C
Answer:
Explanation:
b
I am pretty sure its B
Explanation:
Source: Trust
An organism that carries out photosynthesis and occupies the lowest trophic
level is called a(n)___.
A. primary consumer
B. autotroph
C. secondary consumer
D. heterotroph
Answer:
autotroph
Explanation:
that's the answer
difference between saturated and unsaturated fatty acid. which type is more likely to be liquid?
Answer:
The main difference between saturated and unsaturated fatty acids is that saturated fatty acids have no double bond and unsaturated fatty acids have one or more double bonds forming mon or poly-unsaturated fatty acid. An unsaturated fatty acid is usually liquid at room temperature
Explanation:
Because of the presence of a double bond in the hydrocarbon chain of unsaturated fatty acid a bend is formed at that point. So, atoms are less tightly compact at that point. That is the reason it is in liquid form and more susceptible to reaction. while in saturated double bond all atoms are tightly packed in straight chain
changing a state of matter changes the atoms in a substance true or false?
Answer:
false
Explanation:
i hope this help the atoms stay the same
Label cells and extracellular matrix ECM
Cell- The fundamental units of all living organisms are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those into energy, and perform certain tasks.
Extracellular Matrix ECM- The extracellular matrix (ECM) is a complex network made up of several multidomain macromolecules arranged according to the cell/tissue in which they are found. The mechanical characteristics of tissues are influenced by the structural stability of the composite formed by the linking of ECM components.
Macromolecules- Any extremely big molecule, typically having a diameter between 100 and 10,000 angstroms ([tex]10^{-5}[/tex] to [tex]10^{-3}[/tex] mm). The smallest component of a material that nevertheless has its distinctive qualities is its molecule.
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Would you expect an animal with the name Rania onca to look similar to a jaguar? Yes
Why or why not? a
The expectation of the animal with the name Rania onca to look similar to a jaguar should be Yes.
The Jaguar?The jaguar also known as the (Panthera onca) is a large felid species and the only extant member of the genus Panthera native to the Americas. The jaguar's present range extends from Southwestern United States and Mexico in North America, across much of Central America, and south to Paraguay and northern Argentina in South America.
The Rania onca would be expected to look similar to a jaguar. There are several reasons for that claim
the jaguar and the Rania onca are both cats. They belong to the cat family due to the pores they have. In addition, the Rania onca is specially related to the tiger which is also a cat species. In addition the mountain lion is lighter in color which bears a resemblance with the jaguar, and hence can also be likened to the Rania onca.Learn more about the jaguar at: https://brainly.com/question/1671953
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What happens to polysaccharides before they are used for cellular respiration?
they are converted to proteins
they are broken down into monosaccharides
they are broken down into glycerol and fatty acids
they are denatured
c) they are broken down into glycerol and fatty acids
Answer: Broken Down to a monosaccharide
Explanation: Before a polysaccharide can be used in cellular respiration in an animal cell, to what organelle must it be sent
Use what you know about fossils to choose the correct answers from the drop-down menus to complete each statement.
The statement that is true about fossils is that the fossils provide a record of animals that are or no longer living.
As the fossil record demonstrates, fossils are the traces or impressions of extinct animals from prior geological eras that have been preserved in sedimentary rock.
Why is Statement 1 untrue?
Over 3 billion years have passed since the Earth's plates began to move. They proceed extremely slowly. And continents either break away or collide to form a single, enormous continent. Continents that were once together must have been together in the geological past, according to fossils of the same genus or species.
The question given has no options. Hence, it is incomplete. The full question is as follows:
Use what you know about fossils to choose the correct answers from the drop-down menus to complete each
statement
If the same organism appears on two different continents, this is evidence of
Fossils show how organisms change, or
over time.
Fossils provide a record of animals that are
or no longer living.
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which of the following are non polar
1-lipids
2-carbohydrates
3-proteins
4-both carbohydrates and proteins
lipids are non polar .
Lipids are non-polar molecules that contains organic compounds like carbon, hydrogen and oxygen atoms that form a structure and function of living cells. Nonpolar lipids reports for more than 90% of the total lipids. Triglycerides are the major components of nonpolar lipids. Palmitic, linoleic and oleic acids constitute 80 to 85% of the total fatty acids of both fractions in each species.
lipids are non polar because electrons in the covalent bonds are divided equally between carbons and hydrogen . Hence ,long chain of carbon and hydrogen bond makes nonpolar molecules .
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During the winter, many creatures are able to drastically decrease their body temperatures and energy use and enter a reduced state of metabolism. This state is known asA)camouflage.B)hibernation.C)hyperventilation.D)migration.
B.) Hibernation.
Hibernation is when animals during winter tend to stay still and reduce the metabolism. Is exactly what the parragraph states.
RNA polymerase moves in what direction along the DNA molecule during transcription?
5' to 3' along the double-stranded DNA
5' to 3' along the complementary strand
3' to 5' along either strand of DNA
3' to 5' along the template strand
5' to 3' along the double-stranded DNA. Option A.
Once the RNA polymerase and associated transcription factors are in place, the single-stranded DNA is exposed and ready for transcription. At this point, RNA polymerase begins moving down the DNA template strand in the 3' to 5' direction, aligning complementary nucleotides as it does so.
Duplication occurs only in the 5' to 3' direction. This is because the incoming nucleotide undergoes nucleophilic attack by the 3' hydroxyl group of the growing strand with an alpha fluorophore at the 5' phosphate group. Therefore DNA polymerase can only add nucleotides to the growing strand and cannot initiate replication. RNA polymerase can only transcribe in one direction 5' to 3' but one strand of template DNA is read in the opposite direction 3' to 5'.
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When the smooth/rough endoplasmic reticulum sends out the proteins to the Golgi Apparatus using vesicles as the "delivery trucks" the golgi apparatus modifies them with enzymes and then sorts and sends them to where there are needed. Does the golgi apparatus use vesicles to do that? Thanks so much!
The golgi apparatus is involved in sorting and sending the proteins involved in cellular functions. For this purpose, golgi apparatus uses specific vesicles for the transport of substances to their target destinations.
What is Golgi Apparatus?
The Golgi apparatus also known as Golgi complex is an organelle found in the eukaryotic cells. It functions as a factory in which proteins received from the Endoplasmic reticulum are further processed and sorted for transport to their eventual destinations such as lysosomes, plasma membrane, or secretion.
In the final stage of transport through Golgi apparatus, the modified proteins and lipids are sorted in the trans Golgi networks and are packaged into vesicles at the trans golgi. These vesicles then deliver the molecules to their destinations, such as lysosomes or the cell membrane.
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Animals adapting to be nocturnal
is an example of which type of
resource partitioning?
A. splitting up when a resource is used
B. sectioning a resource off between species
C. limiting the amount of a resource being used
Animals adapting to be nocturnal is an example of splitting up when a resource is used type of resource partitioning.
Resource Partitioning refers to the division of assets to avoid interspecific competition for confined sources in an atmosphere. it is an evolutionary variation that allows various species coexist in an ecological community.
The anole lizards found on the island of Puerto Rico are an amazing example of resource partitioning. in this institution, natural selection has led to the evolution of various species that make use of different resources.
Similar species generally use restricting resources in one-of-a-kind ways. Such resource partitioning enables to give an explanation for how reputedly similar species can coexist within the same ecological community with out one pushing the others to extinction through opposition.
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Answer: A. splitting up when a resource is used
Explanation: