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Interdependence - Biology

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

As you go up levels in an energy pyramid, what happens to energy gained by the consumer

a)

it increases

b)

it decreases

c)

it changes into a different energy form

d)

it turns into calories

2.
The snake is a predator to what prey in this food chain?
a)
frog
b)
grass
c)
grasshopper
d)
hawk
3.
Why is a deer classified as a herbivore?
a)
A deer makes its own food.
b)
A deer eats only plants.
c)
A deer eats only animals.
d)
A deer eats plants and animals.
4.
Eats plants and animals (example: humans)
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Decomposer
5.
An organism that is hunted for food
a)
Predator
b)
Gather
c)
Prey
d)
Hunter
6.
Which statement is correct?
a)
The lion and rhino have a predator/prey relationship.
b)
The grasshopper is the predator and the bird is the prey.
c)
Giraffes compete with lions and birds.
d)
None of the above
7.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
8.

What is a decomposer?

a)

Organism that breaks down organisms

b)

Organism that breaks down dead organisms

c)

Organism that kills other organisms

9.

What type of diagram is this?

a)

Pyramid of Number

b)

Food Chain

c)

Pyramid of Biomass

d)

Food Web

10.

Which way would you draw an arrow in a food chain?

a)

From a primary consumer to a producer.

b)

From a primary consumer to a secondary consumer.

c)

From a decomposer to a top predator.

d)

From a carnivore to a herbivore.

11.

How do secondary consumers get energy?

a)

From the sun

b)

By eating plants

c)

By eating animals

d)

By decaying dead matter

12.

If the primary consumer was removed from a food chain...

a)

Producers would increase and secondary consumers would decrease

b)

Producers would decrease and secondary consumers would increase

c)

Producers would increase and secondary consumers would increase

d)

Producers would decrease and secondary consumers would decrease

13.

Cattle Egret lives with Hippo. When Hippo moves about, Cattle Egret eats the insects disturbed by Hippo’s movement in the water. The insects are in the water.

a)

mutualism

b)

commensalism

c)

parasitism

14.

A hawk flies down and eats a snake, trying to slither into the ground.

a)

Predation

b)

Competition

c)

Hungry

d)

Mutualism

15.

Which is an example of mutualism?

a)

Cow and grass

b)

Bird and butterfly

c)

Cat and mouse

d)

Bee and flower

16.
Which organisms in the food web shown to the right are predators that compete for the same prey in this environment?
a)
Coyotes and rabbits
b)
White-tailed deer and rabbits
c)
Leafy weeds and cotton rats
d)
Bobcats and coyotes
17.

What is symbiosis?

a)

A relationship between members of the same species

b)

A close relationship in which at least one organism benefits

c)

A relationship that creates identical organisms

d)

A relationship in which two organisms are forced to occupy the same niche

18.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
19.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

20.

Which organism is the top predator in this food web?

a)

Owl

b)

Spider

c)

Grasshopper

d)

Shrew