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PBL Racing Extinction: Vocabulary

Total questions: 28

Worksheet time: 26mins

Name
Class
Date
1.
Which of these describes a species that has become extinct?
a)
fewer members of the species are dying than being born
b)
more members of the species are dying than being born
c)
very few members of a species are alive
d)
all members of a species have died
2.
Which of the following is NOT a reason a species may become extinct?
a)
competition
b)
reproducing
c)
habitat loss
d)
overhunting
3.

True or False? Many scientists think that an asteroid caused the dinosaurs to go extinct.

a)

True

b)

False

4.

What to carnivores eat?

a)

Meat

b)

Plants

c)

Plants & Meat

5.

Species that are in danger of becoming extinct are called __________.

a)

endangered

b)

not lucky

c)

extinct

d)

in a jam

6.

When a plant or animal becomes extinct, it is gone _______.

a)

forever

b)

until next week

c)

for 5 years

d)

to sleep

7.

Evidence of an animal or plant that lived a long time ago on Earth is called a ________.

a)

fossil

b)

tiger

c)

extinct

d)

endangered

8.

A ______________ species is on its way to becoming endangered or extinct.

a)

threatened

b)

cuddly

c)

sleeping

d)

fossil

9.
Humans are causing extiction in which ways?
a)
By over hunting animals for food or products.
b)
By destroying the natural habitat of species.
c)
By polluting the environments of the world.
d)
All of the above.
10.
What is a mass extinction?
a)
When all the species in a particular area on earth suddenly go extinct
b)
When multiple species from all over the earth suddenly go extinct 
c)
When one species goes extinct due to habitat changes
d)
When all life on earth is wiped out 
11.
 Which is LEAST LIKELY to push a species toward extinction?  
         
a)
a.   Cutting down entire forest 
b)
b.  Putting animals in a zoo 
c)
 c.   Polluting mountain streams 
d)
d.   Introducing new species to an ecosystem with no known natural predator    
12.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
13.
Is a deer an abiotic or biotic factor? 
a)
abiotic
b)
biotic
14.
When predator numbers decrease, prey numbers ____________ because fewer of them are being consumed.
a)
decrease
b)
increase
c)
stay the same
d)
divide in half
15.

A community comprising all the biotic and abiotic factors in an area and all the interactions among them

a)

ecosystem

b)

population

c)

species

d)

Environmental interaction

16.
The following picture is an example of...
a)
population
b)
community
c)
microorganism
d)
predator
17.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

18.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
19.
Which of the following food chains shows the correct energy flow from left to right. 
a)
rabbit--owl--grass
b)
grass--rabbit--owl
c)
owl--rabbit--grass
d)
grass--owl--rabbit
20.

Which of the following is a rapid change? Check all that apply.

a)

Tsunami

b)

Weathering And Erosion

c)

Meteoroid Impact

d)

Climate Change

21.

The portion of the planet in which living things are found

a)

ecosystem

b)

biosphere

c)

biome

d)

atmosphere

22.

Desert, tropical rain forest, deciduous forest, and tundra are types of

a)

ecosystems

b)

biomes

c)

communities

d)

biospheres

23.

An organism’s way of life (role in its environment)

a)

producer

b)

consumer

c)

habitat

d)

niche

24.

A student walks the schoolyard and observes that there are many living things such as different plants and animals. She notices that moss grows in moist shady areas but did not see any in the open yard where its sunny. What is the best explanation for her observation?

a)

Different habitats support different plants and animals

b)

All plants and animals can live in any environment

c)

Schoolyards are not able to sustain living things

d)

Schoolyards are the only places where moss can grow.

25.
Which of the fallowing has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
26.

An organism that others may depend on for survival is called a(n):

a)

Keystone Species

b)

Interdependent Species

c)

Diverse Species

d)

Vulnerable Species

27.

Coral reefs are essential for the survival of other organisms. They provide:

a)

Microhabitats

b)

Shelter

c)

Breeding Grounds

d)

All of the above

28.

Ecosystem diversity, species diversity, genetic diversity all intertwine to create ______.

a)

Vulnerability

b)

Biodiversity

c)

Interdependence

d)

Recycling

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