biodiversity

biodiversity

8th Grade

•

36 Qs

quiz-placeholder

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biodiversity

biodiversity

Assessment

Quiz

•

Science

•

8th Grade

•

Hard

Created by

Suzanne Ryan

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36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Biodiversity refers to

extinct species
the variety of species on Earth
nonrenewable resources
the rate of species decline

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes a species invasive?

Moving to a new ecosystem and taking resources from native species

Not having prey

Species that can't adapt
Plants that take up too much space

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If a blue catfish is introduced and eats the large fish, what will happen to the population of the smaller fish?

Increase
Decrease
Stay the same
No affect on smaller fish

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Invasive species have a negative impact on...

the ecosystem
the economy
Both the ecosystem and the economy
None of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do the populations of invasive species grow so quickly? 

Invasive Species are native to an area. 
Invasive species are prey to many animals.
Invasive species have no predators.
Invasive species keep the ecosystems in equilibrium.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the greatest problems facing plants, animals, and people?

introducing new species that  can cause problems 
habitat destruction
illegal hunting 
all of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the variety of genes present?

bidiversity
species diversity
extinction
genetic diversity

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