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U1M4L1: Population Dynamics

Last updated almost 4 years ago

8 questions

2

1

1

1

10

1

2

10

Question 1

1.

Define population?How do ecologists study populations?

Question 2

2.

What is population density?

pattern of spacing of a  population in an area

number of organisms  in an area

characteristics of a population

manner in which a  population grows

Question 3

3.

What term is used to describe the number of individuals moving into a population?

emigration

imitation

immigration

migration

Question 4

4.

When does zero population growth occur?

when birth rate equals death rate

when death rate  exceeds birth rate

when birth rate exceeds death rate

when there are zero births

Question 5

5.

Question 6

6.

Which is a density-dependent factor?

disease

fire

flooding

weather

Question 7

7.

The figure below shows a decrease in the deer population after 1925. Give one possible reason for this population decline. Explain your reasoning.

Question 8

8.

Use the figure below that represents population size over time to answer questions a-c.