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28 Feb 2018

why is including age structure in models important to determine population growth?

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Related questions

Describe the factors that affect population size, density, and growth rates. What are the different models of growth rates that were discussed in this unit? How does age structure and economic development affect human population growth rate? What are examples of long-term consequences if the human population growth rate does not change?

Ecology:

Which of the following models most accurately predicts the growth of a population with age structure?

exponential model
geometric model
logistic model
matrix model
all of the above

Question :Mutations that cause sickness and/or death after reproduction has occurred:

Question 1

options: can be passed on to future generations.

will not be passed on to future generations. are unlikely to occur.

are only passed on to future generations in species that have short life spans.

Question 2

In a population exhibiting logistic growth, what happens when the carrying capacity is exceeded?

Question 2 options:

The growth rate becomes zero until the population is back within the carrying capacity.

The growth rate becomes negative until the population is back within the carrying capacity.

The population crashes and becomes extinct.

The population's fertility drops to zero.

Question 3 How does exponential growth differ from logistic growth?

Question 3 options:

Logistic growth models take the population's age structure into account.

Long-term exponential growth is more commonly observed than long-term logistic growth in nature.

The logistic model of growth incorporates environmental limitations on population size.

Logistic growth generally comes with infinite expansion.

Question 4 Density-dependent and density-independent growth factors influence the size of a population by causing changes in the:

Question 4 options:

death rate and pattern of dispersion.

birth rate and death rate.

age structure and birth rate.

carrying capacity and age structure.

Question 5 The life history of an organism does not include the organism's

Question 5 options:

reproduction

All of these are included in an organism's life history.

death

birth

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