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Worksheets

Shawn Smith Biology

Total questions: 26

Worksheet time: 25mins

Name
Class
Date
1.

Animals that eat only plants are called:

a)

herbivores

b)

omnivores

c)

carnivores

2.

Animals that eat only meat are called:

a)

herbivores

b)

carnivores

c)

omnivores

3.

Animals that eat both plants and animals are called:

a)

herbivores

b)

carnivores

c)

omnivores

4.
Which is a producer?
a)
deer
b)
tall grass
c)
lion
d)
worm
5.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
6.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
7.
In a food web, arrows point at:
a)
who gets energy.
b)
who gets eaten.
8.
Bacteria, fungi, and earthworms are examples of: 
a)
scavengers
b)
predators
c)
prey
d)
decomposers
9.
A community of living and nonliving things in their natural environment makes up a 
a)
food web
b)
ecosystem
c)
food chain
10.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
11.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
12.
Elodea is an autotrophic organism which produces sugars at the bottom of some freshwater food chains. Elodea would best be classified as - 
a)
producers
b)
herbivores
c)
carnivores
d)
omnivores
13.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
14.
In this food pyramid, which level has the greatest amount of energy?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
15.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%
16.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
17.

In an ecological pyramid, which type of organism always has the least amount of energy available?

a)

Producers

b)

Herbivores

c)

Carnivores

d)

Apex Predator

18.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
19.

Which type of growth is best illustrated by this rabbit population?

a)

exponential

b)

logistic

c)

S-shaped

d)

predator-prey

20.

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

a)

The squirrel population

b)

The amount of sunlight

c)

Amount of grass available

d)

Rabbits have no limiting factors

21.

Water, sunlight, shelter, and space are resources that are often........

a)

abiotic limiting factors

b)

biotic limiting factors

c)

non-limiting factors

d)

exponetial factors

22.

According to the graph, what is causing the deer population to decrease

a)

They got sick

b)

The wolf population is decreasing

c)

The wolf population increased

d)

They ran out of food

23.

Predator population lags behind prey population because......

a)

Increase in predators leads to decrease in prey

b)

Increase in predators leads to increase in prey

c)

Increase in predators leads to decrease in producers

d)

Increase in producers leads to increase in prey

24.
When a pine tree grows real tall and blocks sunlight to another pine tree it is _______ competition.
a)
Interference
b)
Intraspecific
c)
Interspecific
d)
Exploitative
25.
Which of the following is NOT a form of symbiosis?
a)
Mutualism
b)
Commensalism
c)
Parasitism 
d)
Predation
26.

TRUE OR FALSE:

Removing a top predator from an ecosystem is always a good thing for the prey that live there.

a)

True

b)

False

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