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Animal Extinction

Total questions: 40

Worksheet time: 50mins

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.

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

a)

endangered

b)

not lucky

c)

extinct

d)

in a jam

4.

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

a)

forever

b)

until next week

c)

for 5 years

d)

to sleep

5.
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.
6.
 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    
7.
What would most likely happen if a bird species had fewer and fewer offspring each year?
a)
The species would move to another ecosystem.
b)
There would be too many birds.
c)
The species would become endangered.
d)
Predators of the species would increase in number.
8.
Suppose a pond dries up. What will most likely happen to the fish that lived there?
a)
They will learn to live on land.
b)
They will move to another pond.
c)
They will learn to breathe air.
d)
They will not survive.
9.

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

a)

True

b)

False

10.

no longer in existence

a)

natural

b)

extinct

c)

species

d)

predator

11.

not human-made

a)

nutrients

b)

natural

c)

organism

d)

population

12.

What do you call the plants or animals that once lived on Earth that have completely disappeared?

a)

Endangered Species

b)

Extinction

c)

Extinct Species

d)

Ecologically Extinct

13.

What do you call the plants or animals that are in danger of becoming extinct?

a)

Endangered Species

b)

Extinction

c)

Extinct Species

d)

Ecologically Extinct

14.

What are the two types of causes of extinction?

a)

Natural Causes of Extinction

b)

Standard Causes of Extinction

c)

Anthropogenic Causes of Extinction

d)

Civil Causes of Extinction

15.

What does "Anthropogenic" mean?

a)

Caused by animals or plants.

b)

Caused or resulting from the influence of human beings on nature.

c)

Relating to or characteristic of people or human beings.

16.

Which is NOT a way to prevent or conserve biodiversity?

a)

Using animal-tested products.

b)

Growing native plants.

c)

Reducing Carbon footprint.

d)

Educate and Spread Awareness

17.

The National Bird of the Philippines, the Philippine Eagle is currently critically endangered.

a)

True.

b)

False.

18.
What happens when species produce too many offspring?
a)
Species share the limited resources 
b)
Species eat less so that all can survive
c)
Only those that are least fit can survive
d)
Only those that are best fit can survive
19.
Extinction occurs when __________ happens. 
a)
Loss of habitat
b)
Isolation
c)
Differentiation
d)
Adaptation 
20.
The climate of a certain area is cold, and snow is found on the ground most of the year. Equal numbers of two populations of rabbits are introduced into this climate by a group of scientists. One of the populations is brown and the other is white. Predict what will happen over several generations.
a)
There will be equal numbers of brown and white rabbits
b)
There will be more brown rabbits that white rabbits
c)
There will be more white rabbits than brown rabbits
d)
There is no way to predict what will happen to the rabbit population
21.
What will most likely happen to a species of fish if all the female fish are caught?
a)
The male fish will move away.
b)
The male fish will build homes to raise their young.
c)
The species will not survive.
d)
The young fish will starve.
22.
The snail darter is a small fish that used to live in the Little Tennessee River. In 1978, a dam was built on the river.  How did the dam most likely affect the snail darter?
a)
The dam did not affect the darters in the river.
b)
The dam changed the climate of the area.
c)
The dam changed the darter's habitat.
d)
The number of darters increased.
23.
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
24.
What would most likely happen if a bird species had fewer and fewer offspring each year?
a)
The species would move to another ecosystem.
b)
There would be too many birds.
c)
The species would become endangered.
d)
Predators of the species would increase in number.
25.
The Florida panther is a large cat related to lions. Panthers eat deer, rodents, and farmers' livestock. Panthers once lived in Tennessee. Which of these most likely caused panthers to disappear from Tennessee?
a)
Panthers in Tennessee were unable to reproduce.
b)
People hunted panthers and destroyed their habitats.
c)
Natural predators killed and ate all the panthers in Tennessee.
d)
Panthers in Tennessee ran out of food. 
26.
Adelie penguins live in large groups in Antarctica. They lay their eggs in dry, rocky areas. These areas can be flooded when snow melts. According to the text, which of these is the greatest threat to Adelie penguins?
a)
new predators moving into the area
b)
competition from other Adelie penguins
c)
rising temperatures in the penguins' habitat
d)
people polluting and building in the penguins' habitat
27.

Changing weather conditions.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

28.

Climate Change

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinciton

29.

Exposure of specie to water-dwelling species onto the surface.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

30.

Chlorine substance emerge to the ground.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

31.

Bird Flu.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

32.

Animal competition in the forest.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

33.

Cutting down of tress

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

34.

Land area converted for cultivation.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

35.

Construction of new bridge that connect two Major city in Cebu.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

36.

Wildfire in Amazon

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

37.

Seaweeds turn into commercialized agar.

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

38.

Pet Trade

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

39.

Value of biodiversity is ignored

a)

Natural Causes of Extinction

b)

Anthropogenic Causes of Extinction

40.

How have human activities contributed to climate change and to specie extinction?

4 lines

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