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Population Dynamics Biology

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

In which month(s) did the Cottontail Rabbits reach their carrying capacity?

a)

January and February

b)

March and May

c)

April and January

d)

April and May

2.

Which of the following is density-independent limiting factor?

a)

disease

b)

competition

c)

earthquake

d)

predation

3.

What causes competition to occur in an environment?

a)

Good conditions make resources plentiful.

b)

Organisms struggle for a limited resource.

c)

Members of a population have different roles.

d)

A population falls below the environment’s carrying capacity.

4.

When individuals join a population

a)

Aliens

b)

migration

c)

Immigration

d)

Emigration

5.

To measure population density, you must divide the number of individuals living in a defined space by the

a)

area of the space

b)

birth and death rates

c)

carrying capacity

d)

height of the space

6.

Diseases may spread more rapidly when an area is crowded, so disease is considered to be a

a)

type I survivorship curve

b)

population crasher

c)

density-dependent limiting factor

d)

population enhancer

7.

The distribution of individuals among different ages in a population.

a)

life expectancy

b)

age structure

c)

density

8.

Shows the likelihood of survival at different ages throughout the lifetime of the organism.

a)

life expectancy

b)

death rate

c)

survivorship curve

9.

Which curve is flat at the start, indicating a low death rate in the early and middle stages of life?

a)

Type I

b)

Type II

c)

Type III

10.

Which curve drops sharply at the start, indicating

a high death rate among the young?

a)

Type I

b)

Type II

c)

Type III

11.

Which curve shows a constant death rate over the organism’s life span?

a)

Type I

b)

Type II

c)

Type III

12.

Mammals that produce very few offspring, but provide them with good care are examples of which type of curve?

a)

Type I

b)

Type II

c)

Type III

13.

Which of the following factors is most likely to lead to a decrease in a population's size?

a)

A) High birth rate

b)

B) High immigration rate

c)

C) High emigration rate

d)

D) Abundant food supply

14.

In a predator-prey relationship, what is the likely outcome if the prey population suddenly decreases?

a)

A) The predator population will increase.

b)

B) The predator population will decrease.

c)

C) The prey population will increase.

d)

D) The predator population will remain stable.

15.

What is the term for the maximum population size that an environment can sustain indefinitely?

a)

A) Biotic potential

b)

B) Carrying capacity

c)

C) Limiting factor

d)

D) Population density