Which of the following describe density-dependent factors? They act to regulate population growth. They can affect birth rates or death rates. One example would be intraspecific competition for resources. They are especially important in K-selected populations. They do not involve biological interactions. They can affect growth rates but not population size.

Question

Denzel Howe

Biology

2 December, 17:50

Which of the following describe density-dependent factors? They act to regulate population growth. They can affect birth rates or death rates. One example would be intraspecific competition for resources. They are especially important in K-selected populations. They do not involve biological interactions. They can affect growth rates but not population size.

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Answers (1)

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Mira Clayton · Answer 1

Correct options are

a) They act to regulate population growth.

b) They can affect birth rates or death rates

c) One example would be intraspecific competition for resources.

Explanation:

Population growth rates can be regulated by the density of a population and hence population regulation is a density-dependent process. Density-dependent factors include disease, competition, and predation.

The higher the population density, the higher is the mortality rate.

Some of the biotic density dependent factors are

a) intra - and interspecific competition

b) reducing population's rate of growth

c) Individual's reproductive rate

Hence, the correct options are

So the correct options are

a) They act to regulate population growth.

b) They can affect birth rates or death rates

c) One example would be intraspecific competition for resources.