In 2002, only 200 Siberian tigers were left in the wild due to overhunting. If this continues

they may decrease to extinction

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

The species will become extinct

Which of the following is an example of the depletion of a resource faster than its renewal?

itair leaking out of a moon bounce faster than its blown in

When a species becomes extinct

it is impossible for it to return.

An ecologically healthy area has

many species with a sustainable number of each species

Humans have to worry about decreasing biodiversity because

it has an impact on all living things

Tropical rain forests have about half of the Earth's biodiversity. This means

it has the greatest number of species in any area

Which statement best compares the natural resources coal and wood?

Coal is a nonrenewable resource; wood is not.

What happens if humans use a large amount of a resource, in a relatively short period of time?

resources can become scarce or disappear altogether

Which description best summarizes resource exploitation?

the use of resources for a benefit or an advantage

Which of the following will not help an endangered species?

Introduce new predators to the area.

What is an endangered species?

a species at risk of becoming extinct

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Endangered Species & Over-Exploitation of Resources Review

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Questions 20

Answers

1
If predators are killed off, what happens to their food source?
the food organisms increase
the food source organisms decrease
the food source organisms remain unchanged
consumers evolve into predators
2
In 2002, only 200 Siberian tigers were left in the wild due to overhunting. If this continues
they may develop into a new species
they may decrease to extinction
they will increase in number
they will find a new place to live
3
Which factor has been the main cause of many species becoming endangered or extinct?
global warming
loss of habitat
oil spills
hunting
4
If none of the individuals within a particular species can survive to reproduce, what happens
they will increase in number
they will evolve into a new species
they will adapt to a new environment
they will become extinct
5
If the last three animals of a species are all females, what will happen to the species?
The species will become extinct
The species will slowly grow in numbers.
Since females have babies, no males are needed to reproduce.
The species will not be affected
6
Which of the following is an example of the depletion of a resource faster than its renewal?
grass growing faster than it is mowed
faucet dripping into a sink that has a stopper in the drain
itair leaking out of a moon bounce faster than its blown in
someone putting more money in the bank than they withdraw
7
When a species becomes extinct
it is impossible for it to return.
scientists can produce the species again.
it can be reintroduced
if pollutants are removed it will return.
8
An ecologically healthy area has
a few species with very few individuals of each species
a few species with a sustainable number of each species
many species with a sustainable number of each species
many species with very few individuals of each species
9
Humans have to worry about decreasing biodiversity because
it has an impact on all living things
animals need people to survive
they don't because there needs to be more room for people
they don't need to worry, it isn't happening
10
Tropical rain forests have about half of the Earth's biodiversity. This means
it has the greatest number of animals in any area
more animals than plants
it has the greatest number of species in any area
more plants than animals
11
Extinction of species is
predetermined
common
rare
unheard of today
12
If you are talking about variety of species that make up a community, you are talking about
biomass
biotic factors
biomes
biodiversity
13
Which statement best compares the natural resources coal and wood?
Coal is a nonrenewable resource; wood is not.
Both coal and wood are renewable resources.
Neither coal nor wood is a renewable resource.
Coal is a renewable resource; wood is not.
14
What happens if humans use a large amount of a resource, in a relatively short period of time?
the Earth produces resources rapidly
Humans produce resources rapidly
nothing because all resources have an infiinite supply
resources can become scarce or disappear altogether
15
Which description best summarizes resource exploitation?
the use of resources for harmful or destructive purposes
the use of resources for a benefit or an advantage
the use of resources at a rate faster than they are renewed
the overuse of resources for a benefit or an advantage
16
The measure of the number of different kinds of organisms living within an area is known as
biosphere
ecosystems
biodiversity
biology
17
Which of the following will not help an endangered species?
Protect lands by creating natural parks.
Create breeding programs in zoos and animal facilities
Introduce new predators to the area.
Reduce hunting of certain species
18
Which species is NOT currently endangered?
humpback whales
gorillas
giant pandas
dogs
19
What is an endangered species?
a species included in catch and release
a species at risk of becoming extinct
a species that has become domesticated
a species that is very aggressive
20
Which is true?
any species can become extinct
only plant and animal species can become extinct
only plant species can become extinct
only animals can become extinct

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