Which of the following is the best representation of the limiting factors affecting the elk population in this ecosystem?
O Number of scavengers, number of wolves, number of scientists studying Yellowstone.
Number of scavengers, and harshness of winter
Number of wolves, and harshness of winter.
The elk have no limiting factors
Answer:
Number of wolves, and harshness of winter.
Explanation: I took the test
The combination of factors that is capable of limiting the population of elk in an ecosystem would be the number of wolves and the harshness of winter.
The limiting factors of a population are those factors that hinder the population of an organism from increasing unlimitedly. In other words, limiting factors hinder populations from reaching their biotic potentials.
Limiting factors can be density-dependent if they have correlations with the density of species or density-independent if they have no correlation with an organism's density.
Wolves generally prey on elks, so they limit the growth of elk's population in an ecosystem. A harsh winter will also limit the overall growth of the population of elk in an ecosystem.
Scavengers cannot be a limiting factor to elk's population because they only feed on carcasses.
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Complete the table to describe the processes and outcomes of the different types of gene (point) mutations.
Substitution Insertion:
Deletion:
Answer:
Insertions are mutations in which extra base pairs are inserted into a new place in the DNA. Deletions are mutations in which a section of DNA is lost, or deleted.
Explanation:
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Define these types of relationships (symbiosis).
a. mutualism -
b. commensalism-
c. parasitism -
d. predator/prey -
e. competition -
Answer:
mutualism -Both species benefit
commensalism- One species lives with, on, or in another species (the host). The host species neither benefits nor is harmed from the relationship. The species that lives on the host is benefited.
parasitism - One species (the parasite) lives with, on, or in a host species, at the expense of the host species. Unlike in predation, the host is not immediately killed by the parasite, though it may sicken and die over time.
predator/prey -One species (the predator) hunts and kills another species (the prey)
competition -The struggle among organisms for the same limited resources in an ecosystem
Explanation:
Which letter in the image shows the alluvial fan
Answer:
its z
Explanation:
i got it right
How does the number of genes in human cells compare with the numbers in other species?
Answer:
While the number of genes in an organism's DNA (red bars) varies from species to species (numbers at right), it is not always proportional to genome size (blue bars, in millions of base pairs). Note how many genes a fruit fly can squeeze out of its relatively small genome.
What is a gene?
A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.
In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.Comparative genomics also provides a powerful tool for studying evolutionary changes among organisms, helping to identify genes that are conserved or common among species, as well as genes that give each organism its unique characteristics.While the number of genes in an organism's DNA varies from species to species, it is not always proportional to genome size.Learn more:
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Which rate of harvest is twice the sustainable rate?
In a dihybrid cross, one of the parent's genotypes is PPYy. Which of the following would NOT be an expected gamete? (Hint: Use FOIL)
PY
Py
pY
Answer:
PY
Explanation:
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What is an environmental habitat in your own words ?
Answer:
Explanation:
A habitat (which is Latin for "it inhabits") is an ecological or environmental area that is inhabited by a particular species of animal, plant or other type of organism. ... Human habitat is the environment in which human beings exist and interact. For example, a house is a human habitat, where human beings sleep and eat.
¿Los huesos podrían estar hechos de otro material?
(Por favor una respuesta bien explicada)
Answer:
me imagino que no porque nuestos guesos son duros si tomamo calcio o cosas sanas. por ejemplo si nuestros guesos fueran de hierro y les pondriamo calcio o medicinas sanas, no pasaria nada
Answer:
por ejemplo si nuestros guesos fueran de hierro y les pondriamo calcio o medicinas sanas, no pasaria nada
Which catastrophic event would most likely result in trees being knocked over and the
disappearance of most of the plants and animals along a narrow path in a forest
ecosystem?
Answer:
tornado
Explanation:
earthquakes dont cause for the disappearance of most of the plants and animals, flash floods are widespread, between volcanos and tornadoes, tornadoes fits the description better.
The catastrophic event that resulted in trees being knocked should be considered the tornado.
What is a tornado?It is the column that contains the small diameter with respect to the violence that rotated the air developed. It arises the thunderstorms at the time of spring and summer in the mid-latitude.
Also, the earthquake does not leads to the disappearance for mostly plants and animals.
hence,
The catastrophic event that resulted in trees being knocked should be considered the tornado.
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The removal of the predator populations from an ecosystem would most likely result in?
O a decrease in all the prey populations
O an increase in all the producer populations
O an increase in ecosystem biodiversity
O a decrease in ecosystem biodiversity
Answer:
A decrease in all the prey populations.
Answer:
a decrease in all the prey populations
Explanation:
I Watched a video thing
Help plz asap asap plz
Answer:cholem im pretty surw
Explanation:
How many cells do you start with for mitosis?
How are increased CO2 levels and increased temperatures affecting plant growth in the two experiments shown?
High CO2 levels cause plants to thicken their leave ,which could worsen climate change effect researchers says.
plant scientists observed that when CO2 levels increase in the atmosphere most plants do unusual , they thicker their leave
germination increase in high temperature up to the point
Increased CO2 levels and temperatures affect plant growth by bringing about a corresponding increase.
What is Photosynthesis?
This the process in which plants manufacture their food through the presence of sunlight.
other compounds such as CO2 and water are used which is why increase in the CO2 levels and temperatures will increase the growth of plants.
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Which refers to the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound?
12. The more genetic variation a population has, the
more likely it is that some individuals will?
a) evolve.
b) migrate.
c) survive.
d) mutate.
Answer:
b migrate
Explanation:
sorry if im wrong
The more genetic variation a population has, the more likely it is that some individuals will migrate.
what is population ?A discrete accumulation identifiable characteristics such as people, animals with the objective of analysis and data collection is called a population.
A population consists of a same group of species who reside in a particular geographical place with their reproductive capacity to interbreed.
In a population Not all individuals are able to survive and reproduce due to genetic variations in them, a local population is restricted to a smaller area or can occupy a larger area, making up for the entire species.
when individuals in local populations spread between other local populations called as metapopulation.
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1-What are some ways in which metamorphosis helps the animals that undergo it?
Answer:
During metamorphosis, they undergo a change in body chemistry that enables them to live in salt water. In biology, metamorphosis is the process by which an animal develops continually, after birth or hatching. This involves the change in body structure; both internal and external features, regulated by hormones. Metamorphosis is occasionally accompanied by changes in the animal’s behaviour, physiology and biochemistry.
Explanation:
During metamorphosis, they undergo a change in body chemistry that enables them to live in salt water. They change color during metamorphosis as well. The salmon must return to fresh water in order to spawn (breed). Fish that live in the ocean as adults but spawn in fresh water are anadromous. Lampreys go through a period of metamorphosis
Please help!!! How does the evolution of a predator species rely on the evolution of a prey species?
Prey must adapt to be better at locating and obtaining food. (No links or I will report!!)
A)Predators must adapt to avoid being food.
B)Predators must adapt to be better at locating and obtaining food.
C)Prey must adapt to avoid being food.
Answer:
b
Explanation:
Because they have to be in a place that they have all of the resorces that they need and conditions that they can live in
Many research studies have shown that different species may possess some of the exact same genes but show vastly different traits. How can that happen?
Answer:
Mutation can occur or the order in which these genes appear are in different order. Genetic variation can also occur.
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List the order of vessels the blood travels after it leaves the heart to the point that it is returning to the heart.
Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
Explanation:
Which of Newton's laws is being described? The greater the mass the more inertia it has. F=ma A. Law of inertia / Newton's 1st law B. Law of acceleration /Newton's 2nd law C. Action • reaction/ Newton's 3rd law D. None of the above
Answer:
The Law of Motion
Scientist use data to make high resolution storm surges maps storm surges cause major flooding in the aftermath of hurricane. How do these maps most likely reduce damage from hurricane. A.They help predict how long people will need to evacuate the area B.They help predict which area will be affected so people can evacuate C.They help predict which repairs peoples homes will need after the storms D.They help predict how severe a storm of you so people can wind proof their houses.
Answer: I’ll say b
Explanation:
An animal that is endothermic and homoeothermic A. uses metabolic energy to regulate its body temperature and maintains a relatively constant body temperature B. has its body temperature determined primarily by the environment, but maintains a relatively constant body temperature C. has its body temperature determined primarily by the environment and has a broad range of body temperature variation D. behaviorally regulates its body temperature and has a broad range of body temperature variation E. uses metabolic energy to regulate its body temperature but has a broad range of body temperature variation
Answer: The correct option is A (uses metabolic energy to regulate its body temperature and maintains a relatively constant body temperature).
Explanation:
HOMOEOTHERMIC animals are also called endothermic animals. They are the warm blooded animals which uses heat energy generated metabolically to regulate and maintain a relatively constant body temperature. Examples of animals that are endothermic include the birds and mammals.
The temperature which they maintain is deep inside the body and not the skin temperature.
Also the temperature of a body is affected by the heat it gains and losses. The body gains heat mainly:
--> by absorbing it from its surroundings
--> from the heat released during the catabolic reaction that occur all the time in the body cells.
--> by conduction, convection and radiation from the surface of the body
--> through evaporation, especially of sweat and
--> in the air that is exhaled and urine that leaves the body.
Under normal circumstances, the heat the body gains is balanced by the heat it loses. A RISE in body temperature stimulates the following processes to get rid of excess body heat:
--> A decrease in metabolic rate: the body slows down its activities to decrease the metabolic rate. This reduces the heat released by metabolic reactions, hence minimizing heat production within the body.
A FALL in body temperature stimulates the following processes to produce and conserve heat:
--> increasing metabolic rate: The body increases its metabolic rate, especially that of the liver, to produce more heat
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Order of the Moon Phases:
1. New Moon - Completely Dark.
2. Waxing Cresent - A very small part of the "RGHT" side is lit while the rest is dark.
3. First Quarter - right half of the moon is lit while the left side is dark.
4. Waxing Gibbous - nearly all the moon is lit while a very
small part on the "LEFT" side is still dark.
5. Full Moon - the whole moon is completely lit.
6. Waning Gibbous - nearly all the moon is lit while a very small part on the "RIGHT" side is dark.
7. Third Quarter - Left half of the moon is lit while the right side is dark.
8. Waning Cresent - a very small part of the "LEFT" side is lit while the rest is dark.
9. New Moon - the moon returns to completely dark and the cycle repeats.
Order of the Moon Phases:
1. New Moon - Completely Dark.
2. Waxing Cresent - A very small part of the "RGHT" side is lit while the rest is dark.
3. First Quarter - right half of the moon is lit while the left side is dark.
4. Waxing Gibbous - nearly all the moon is lit while a very
small part on the "LEFT" side is still dark.
5. Full Moon - the whole moon is completely lit.
6. Waning Gibbous - nearly all the moon is lit while a very small part on the "RIGHT" side is dark.
7. Third Quarter - Left half of the moon is lit while the right side is dark.
8. Waning Cresent - a very small part of the "LEFT" side is lit while the rest is dark.
9. New Moon - the moon returns to completely dark and the cycle repeats.
Is this correct???!!!
Answer:
Yea
Explanation:
Question 11 (1 point)
A cell containing 28 chromosomes undergoes mitosis and cell division. How many chromosomes will each of the resulting daughter cells
contain?
a
28
b
7
с
56
d
14
Answer:
D
Explanation:
after mitosis II the daughter cell will have half of the chromosomes the father cell has.
A cell containing 28 chromosomes undergoes mitosis and cell division, and then each daughter cell will contain 28 chromosomes too, as the mitosis is the equational division that is in option a.
What is the significance of mitosis?Mitosis is an essential process that plays a crucial role in the growth, repair, and other essential processes that occur in all living organisms, such as growth and repair by producing new cells to replace old or damaged ones, mitosis helps in development as it creates the vast number of cells needed to form the complex structures of the body and takes part in asexual reproduction.
Hence, a cell containing 28 chromosomes undergoes mitosis and cell division, and then each daughter cell will contain 28 chromosomes too, as the mitosis is the equational division that is in option a.
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How do enzymes speed up reactions?
A. by lowering the activation energy
B. by breaking down other enzymes
C. by raising the temperature
Answer:
A. by lowering the activation energy.
Explanation:
Biological catalyst is known as enzymes. If the activation energy for a reaction is low then the rate would be faster.
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If these organisms were arranged in energy pyramid, which organism would have the least amount of total available energy in relation Insect, coyote, lizard or shrub
Answer:
The correct answer is - coyote
Explanation:
In this food chain like other food web or chain, the producer makes their food and are photosynthetic plants which are fed by primary consumers or herbivores. Secondary consumers prey on these primary consumers and top predators eat these secondary consumers. In energy pyramid, the producer has the highest amount of energy and its decreases with the tropic level as only 10 percent of total energy move to next trophic level.
In these organisms, shrubs are a producer with the highest amount of energy, and it decreases with insects (primary consumer), then lizards secondary consumer and least amount of energy in coyote.
PLEASE HELP IM SO LOST AND IM GONNA FAIL WILL GIVE BRAINLESS
the answer is...........
Explanation:
............the concentration of transcription factors
Name the granular bodies found in the cell body
of the neuron
Answer:
Nissl's Granules found on the cytoplasm.