2. FREE Ecology of Populations

Question 1

What is the primary focus of population ecology?

Accepted Answer

The study of population size, density, and changes over time

Answer

The study of individual organisms in their environment

Answer

The study of species interactions in a community

Answer

The study of energy flow in ecosystems

Question 2

What does a population's age structure refer to?

Accepted Answer

The proportion of individuals in different age groups within the population

Answer

The number of individuals in each species in an ecosystem

Answer

The migration patterns of a population

Answer

The number of births and deaths in a population

Question 3

Which factor is most likely to influence the carrying capacity of a population?

Accepted Answer

The availability of resources like food and space

Answer

The reproductive rate of the species

Answer

The genetic diversity within the population

Answer

The migration patterns of individuals

Question 4

What is the term for when a population grows rapidly in a short period of time under ideal conditions?

Accepted Answer

Exponential growth

Answer

Logistic growth

Answer

Population equilibrium

Answer

Density-dependent growth

Question 5

Which of the following would be considered a density-dependent factor affecting population size?

Accepted Answer

A predator-prey relationship

Answer

A natural disaster such as a hurricane

Answer

The amount of sunlight available in an ecosystem

Answer

Climate change