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Exam Review 5- Symbiosis/Populations

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

The movement of new individuals into an existing population.

a)

moving

b)

immigration

c)

dynogration

d)

emigration

2.

Rabbits move from one forest to another in search of a better food supply. This is an example of _______________

a)

immigration

b)

emigration

c)

traveling

d)

population density

3.

When ___________ outnumber deaths, the population increases.

a)

emigration

b)

bunnies

c)

births

d)

population density

4.

One benefits-one is harmed

a)

commensalism

b)

mutualism

c)

competition

d)

parasitism

5.

Both individuals benefit

a)

parasitism

b)

commensalism

c)

competition

d)

mutualism

6.

One is helped- One is not helped or harmed

a)

parasitism

b)

commensalism

c)

mutualism

d)

competition

7.

Relationship between a carnivore and the herbivore it eats is called

a)

commensalism

b)

mutualism

c)

competition

d)

predator/prey

8.

Organisms introduced to a new area that out compete the species in the area.

a)

immigration

b)

competitive species

c)

invasive species

d)

emigration

9.

Humans try to control invasive species by putting up barriers to keep them out. This is ___________ control.

a)

chemical

b)

physical

c)

competition

d)

biological

10.

Humans try to control invasive species by poisoning them. This is called __________ control.

a)

chemical

b)

competition

c)

physical

d)

biological

11.

Humans have many ways of controlling invasive species by putting other animals in to eat them. This is an example of ______________ control.

a)

physical

b)

biological

c)

mutualism

d)

chemical