Question 1

What is a change in the ecosystem called?

Accepted Answer

disruption

Answer

break

Answer

ruin

Answer

coral reef

Question 2

After the disruption, how could the population change?

Accepted Answer

reduction or increase

Answer

increased

Answer

decreased

Answer

reduction

Question 3

The disruption can cause a migration.  What does that mean?

Accepted Answer

Animals move in or leave out.

Answer

Animals move in.

Answer

Nothing

Answer

Animals leave out.

Question 4

What happened with the Japanese Kudzu?

Accepted Answer

It was invasive and grew too much.

Answer

It was burned in a fire.

Answer

It was invasive and did not grow much.

Answer

It cleared all the pollution from Japan.

Question 5

The best description of an adaptation is...

Accepted Answer

a body part or ability that helps an organism survive in its environment.

Answer

A causes of something to live.

Answer

the size feet only

Answer

A cause of something to die.

Question 6

After the disruption, how could the population change?

Accepted Answer

reduction or increase

Answer

reduction

Answer

increased

Answer

decreased

Question 7

Why is biodiversity important?

Accepted Answer

Since there are many different types of organisms, the ecosystem is better able to respond to disruptions.

Answer

It is always better to have more of anything.

Answer

Since there are many different types of organisms, the ecosystem is unable to support them all.

Answer

Since all of the organisms are the same,   one can die and the rest are fine.

Question 8

A lack of food would cause a population to

Accepted Answer

decrease

Answer

stay the same

Answer

increase

Question 9

Eliminating (removing) a predator would cause the population to

Accepted Answer

increase

Answer

decrease

Answer

stay the same

Question 10

Which of these would NOT be a change to the physical, non-living part of the ecosystem?

Accepted Answer

increase in predators

Answer

plastic in the water system

Answer

decrease in sunlight

Answer

increase in air pollution

Question 11

Rabbits eat grass.  Foxes eat rabbits.  If the foxes were removed, you would expect which population changes?

Accepted Answer

the rabbits to increase and grass to decrease.

Answer

the rabbits to decrease and grass to decrease.

Answer

the rabbits to decrease and grass to increase.

Answer

the rabbits to increase and grass to increase.

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