Question

A population continues at a stable size for many years. Suddenly, in a single season, the population size drops by half. Is the cause more likely to be density-dependent, density-independent, or both? Explain your answer.

Answer 1

Answer:

Both, it could be both density-independent and density-dependent.

Explanation:

DI-Extreme weather or a natural disaster

DD-Disease/Parasitism/Human Activities/New Predators

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Answer 2

A population continues at a stable size for many years. Suddenly, in a single season, the population size drops by half, the cause is more likely to be - both density-dependent and density-independent.

The size or growth of the population can be influenced by various factors that can be density-dependent or density-independent:

• Density independent factors influence a population's growth or size, regardless of the population density, such as hurricanes, fires.
• density-dependent factors affect the size of a population of living things in response to the density of the population such as disease.
• catastrophic factors can also impact population growth, such as fires and hurricanes, and cause a huge decrease in the size of the population.

• The disease can also cause a huge decrease in the size of the population

Thus, the cause is more likely to be - both density-dependent and density-independent.

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