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Chapter 14 Interactions in Ecosystems 2021-2022

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

An animal that gets eaten by another animal is called...

a)

Mammal

b)

Organism

c)

Predator

d)

Prey

2.

The relationship in which both organisms benefit.

a)

Predation

b)

Mutualism

c)

Commensalism

d)

Parasitism

3.

This occurs when organisms in a community fight for the same limited resource.

a)

Commensalism

b)

Competition

c)

Mutualism

d)

Symbiosis

4.

A fungus controlling the brain of an ant is an example of...

a)

Predation

b)

Mutualism

c)

Commensalism

d)

Parasitism

5.

What limited resource are the plants in this picture most likely competing for?

a)

Shelter

b)

Mates

c)

Wind

d)

Sunlight

6.

Which interaction type is it when different male lions strive to find territories?

a)

Intraspecific Competition

b)

Interspecific Competition

c)

Commensalism

d)

Mutualism

7.

A crab is protected from fish when an anemone rides on its shell. The anemone gets more food.

a)

Commensalism

b)

Competition

c)

Predation

d)

Mutualism

8.

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

a)

The population of deer will increase.

b)

The population of deer will decrease.

c)

The population of deer will remain the same.

d)

The population of deer will become extinct.

9.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
10.
A pioneer species is...
a)
a large organism
b)
the first organisms to adapt to a new environment 
c)
The best organism 
d)
Abiotic organisms 
11.
A climax community is ….
a)
the beginning of a new ecological succession.
b)
the rocks in a new environment.
c)
the fire that will cause destruction.
d)
an area that reaches its greatest growing potential.
12.
What is the difference between primary and secondary succession?
a)
Primary succession already has soil.
b)
Primary has soil and secondary does not
c)
soil is present in both
d)
primary has no soil and secondary has soil
13.
What type of growth is shown in the diagram?
a)
exponential growth
b)
logistic growth 
c)
predator-prey cycle
d)
boom-bust curve
14.
Largest number of individuals of a population that the environment can support...  
a)
carrying capacity
b)
population crash
c)
lag phase
d)
mutualism
15.
What is the carrying capacity for this sheep population?
a)
1.8 million
b)
1.25 million
c)
1.6 million
d)
1.o million
16.
Which limiting factor is density independent?
a)
competition
b)
disease
c)
natural disasters
17.
The graph of logistic growth can be described as...
a)
S-shaped
b)
J-shaped
c)
U-shaped
18.
An environmental factor such as predation, disease, and competition that depends on the number of members in a population per unit
a)
dispersion
b)
density- independent factor
c)
density- dependent factor
19.
Humans are an example of this type of survivorship.
a)
Type1
b)
Type 2
c)
Type 3
d)
Type 4
20.

There are how many type of survivorships?

a)

one

b)

two

c)

three

d)

four

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