Biology, 30.08.2019 20:30 kelseypichla

Which of the following are usually density dependent factors (choose any/all that apply):
a. disease
b. food availability
c. extreme drought
d. reproductive success
e. volcanic eruptions
f. predation
g. light availability (to plants)
h. physical space

Answers: 3

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Answer from: Reese7977

a. disease

b. food availability

d. reproductive success

f. predation

g. light availability (to plants)

h. physical space

Explanation:

The density dependent factors are the factors which effects the population of a species depending upon it's size or growth. The following are the density dependent factors.

a. disease: A disease is a density dependent factor this is because of the fact that a disease can spread directly when the population size is large.

b. food availability: With the increase in the size of the population will increase the demand for food. This can cause scarcity of food, the population will decline.

d. reproductive success: The increase in the size of population will increase the likelihood of mating success hence, this will support reproductive success.

f. predation: The large population of prey will attract the population of predators hence, the population of the prey will decrease due to large density.

g. light availability (to plants): The increase in plants typically of tall height can affect the light availability to the small plants.Thus the population of small plants will die due to the fact that they will not receive sunlight.

h. physical space: The physical space is the area occupied by the organism as a habitat. With the increase in density of the population of a species the competition for physical space will increase which will lead to the decline in the size of the population.

Answer from: Quest

What is the difference between cytokinesis in plant and animal cells? animal cells dived by a cleavage furrow. plant cells divide by a cell plate that eventually becomes the cell wall. cytoplasm and cell membranes are necessary for cytokinesis in both plant and animals.

Answer from: Quest

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

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