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Review for CA7

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

When a tick is attached to a dog and feeds on its blood, it is acting as a -

a)

scavanger

b)

producer

c)

decomposer

d)

parasite

2.

Producers are:

a)

animals

b)

rocks

c)

plants

3.

Animals that eat only plants are called:

a)

herbivores

b)

omnivores

c)

carnivores

4.

A living thing that breaks down dead plants and animals - such as, fungi, worms, bacteria, is:

a)

decomposer

b)

food web

c)

omnivore

5.

An animal that hunts and eats other animals:

a)

producer

b)

plants

c)

predator

6.

An example of prey:

a)

lion

b)

mouse

c)

shark

7.

Which of the following is producer/autotroph?

a)

rabbit

b)

frog

c)

tree

d)

worm

8.

Using the food web which of the following is a primary consumer?

a)

butterfy

b)

snake

c)

fox

d)

frog

9.

Using the food web what would happen if the eagle became extinct?

a)

The frog population would decrease.

b)

The frog population would increase.

c)

The butterfly population would increase.

d)

The snake population would decrease.

10.

If fish were poisoned which organism would be affected?

a)

algae

b)

phytoplankton

c)

clams

d)

octopus

11.

Using food web which organism is the top predator?

a)

octopus

b)

shark

c)

clam

d)

lobster

12.

Which of the following is a tertiary consumer?

a)

hawk

b)

mouse

c)

moth

d)

spider

13.

In a food web the arrow always points to

a)

the consumer

b)

the prey

c)

producer

d)

autotroph

14.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
15.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
16.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
17.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain? 
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
18.
An organism that cannot adapt to changes in the environment will most likely - 
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
19.
All of the following are examples of environmental changes that can be caused by humans except - 
a)
clearing land for housing developments
b)
pesticides
c)
volcanic eruption
d)
pollution
20.
A giraffe’s niche is feeding on the canopy of trees.  What physical biological trait must the giraffes keep in order to support this niche?
a)
a long neck
b)
small antenna
c)
short ears
d)
large brown spots