Quiz about Biodiversity, Endangered & Invasive Species

Question 1

Biodiversity, aka biological diversity, usually refers to

Accepted Answer

the variety of life in the world or in a particular habitat or ecosystem

Answer

the same species in a general location

Answer

the number of animal species in a given area

Answer

the number of plant species in a given area

Question 2

In what way are humans most impacting the biodiversity of ecosystems around the world?

Accepted Answer

c. We are destroying the habitats of a large number of species

Answer

a. We are putting too many organisms in zoos or keeping them as pets

Answer

b. We are increasing biodiversity by breeding new species

Answer

d. Recreational hunting

Question 3

High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.

Accepted Answer

True

Answer

False

Question 4

High biodiversity ensures that many different ecological niches (jobs, roles) are filled, which helps the ecosystem function well.

Accepted Answer

True

Answer

False

Question 5

High biodiversity removes the predators and parasites in the ecosystem and makes it safer.

Accepted Answer

False

Answer

True

Question 6

High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.

Accepted Answer

True

Answer

False

Question 7

High biodiversity makes an ecosystem more sustainable because the food web is stronger and organisms perform a wider variety of functions.

Accepted Answer

True

Answer

False

Question 8

What does the root "bio" mean...

Accepted Answer

living

Answer

nonliving

Answer

toxic

Answer

variety

Question 9

What does the root "diversity" mean...

Accepted Answer

variety

Answer

living

Answer

nonliving

Answer

toxic

Question 10

Which ecosystem is more likely to survive a change in the environment?

Accepted Answer

One with High biodiversity

Answer

One with Low biodiversity

Question 11

Which ecosystem below has the HIGHEST biodiversity?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Question 12

What does it mean when an animal is endangered?

Accepted Answer

Animals that is at risk of extinction.

Answer

Something once lived but no longer exists.

Answer

Place that protects animals at risk.

Question 13

What does it mean when an animal is extinct?

Accepted Answer

Something once lived but no longer exists.

Answer

Animals that is at risk of extinction.

Answer

Place that protects animals at risk.

Question 14

A species is defined as endangered when it

Accepted Answer

all of the above

Answer

suffers from damage to its habitat.

Answer

suffers from disease or predation.

Answer

when there are hazards to the continued life of the species.

Question 15

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

Accepted Answer

all of the above

Answer

introducing new species that  can cause problems

Answer

habitat destruction

Answer

illegal hunting

Question 16

Who can help save endangered species?

Accepted Answer

all of the above!

Answer

environmentalist

Answer

you

Answer

scientists

Question 17

Why do endangered species matter?

Accepted Answer

Biodiversity

Answer

Because they are cute

Answer

Because if they die we cannot have them as pets

Answer

Because they cannot be in the zoo

Question 18

What is poaching?

Accepted Answer

when people hunt wild animals illegally

Answer

eating wild animals

Answer

saving wild animals

Question 19

If the last three animals of a species are all males, what will happen to the species?

Accepted Answer

The species will become extinct because it takes a male and a female to reproduce.

Answer

The species will slowly grow in numbers.

Answer

Since males have babies, no females are needed to reproduce.

Question 20

What can a tropical rain forest (a type of ecosystem) provide for people?

Accepted Answer

lumber and medicine

Answer

fisheries and shoreline protection

Answer

farmland

Question 21

What could cause a population to become extinct? (Hint: Pick 3 answers).

Accepted Answer

Forest cleared for farmland (deforestation)

Accepted Answer

Limited genetic diversity in a population

Accepted Answer

Adding a new predator to an area.

Answer

Introducing laws to control fishing limits and hunting

Question 22

If all of the predators in an ecosystem are killed off, what happens to the prey populations that once served as its food source?

Accepted Answer

Prey population will increase

Answer

Prey population will decrease

Answer

Prey will become the predators

Answer

The number of prey will stay the same

Question 23

What is an invasive species?

Accepted Answer

A non-native (not naturally found) species added to an area.

Answer

A native (naturally found) species which are added to an area.

Answer

A keystone species in an environment

Answer

none of the above

Question 24

When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?

Accepted Answer

Non-native plants compete with native plants for resources

Answer

Non-native plants are able to mutate rapidly

Answer

Non-native  plants cause native animals to relocate

Answer

Non-native plants are able to be used for medicine

Question 25

Which of the following is a key characteristic of most invasive species?

Accepted Answer

Produce many offspring

Answer

Ability to breathe in the air & in the water

Answer

Large, sharp teeth

Answer

Is a top predator

Question 26

The lack of natural predators makes populations of invasive species unmanageable?

Accepted Answer

True

Answer

False

Question 27

Invasive species have a negative impact on...

Accepted Answer

Both the ecosystem and the economy

Answer

the ecosystem

Answer

the economy

Answer

None of these

Question 28

What do invasive species do to the habitat they move into?

Accepted Answer

crowd out local plants and animals

Answer

eat all the mice and deer

Answer

create a food chain

Question 29

Why do the populations of invasive species grow so quickly?

Accepted Answer

Invasive species have no predators.

Answer

Invasive Species are native to an area.

Answer

Invasive species are prey to many animals.

Answer

Invasive species keep the ecosystems in equilibrium.

Question 30

The primary cause of invasive species introduction is

Accepted Answer

human actions

Answer

too much food

Answer

weather events

Answer

asteroids

Question 31

Invasive species alter the ecosystem by ______ in number quickly. This leads to ______ food for the native species.

Accepted Answer

increasing, less

Answer

increasing, more

Answer

decreasing, less

Answer

decreasing, more

Question 32

TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally/

Accepted Answer

True

Answer

False

Question 33

TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally (on purpose).

Accepted Answer

True

Answer

False

Question 34

Which of the following is an example of an invasive species?

Accepted Answer

Kudzu

Answer

Trout

Answer

Mosquito

Answer

Daisy

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