6.3.1. Biodiversity at Risk

Open Ended

Who or what do you think is responsible for current extinctions?

Fill in the Blank

Scientist believe the main cause of the increase in extinctions is due to ________.

Dropdown

A(n) ​

Select answer

is any species which is likely to become an endangered species within the foreseeable future.



A(n) ​

Select answer

is a species that has been identified to be in danger of extinction

Drag and Drop

These 3 types of populations are more prone to extinction:

1. ​ ​

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2. ​ ​

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3. ​

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Drag these tiles and drop them in the correct blank above

Populations that require large habitats

Populations that are exploited by humans

Populations that migrate

Populations that have lots of biodiversity

Populations that are large and adapt easily

Multiple Choice

Which of the following is not one of the ways in which coral reefs are threatened by human activities?

• development along waterways

• creation of artificial reefs

• overharvesting of fish

• pollution

Multiple Choice

Looking at the map, where are many critical biodiversity hotspots located?

• cities and developed areas of the world

• desert and polar environments

• islands, tropical rain forests, and coastal areas

Multiple Select

Select the four reasons why coral reefs are beneficial to humans.

• tourism revenue

• sources of new chemicals

• provide millions of people with food

• coastal protection

• poison wildlife

Match

Match the following terms to their definitions.

• a species that is not native to a particular region

• any species that is likely to become endangered if it is not protected

• species that are very important to the functioning of an ecosystem

• any species who is likely to become extinct in the near future

• a species when the very last individual dies

threatened species

keystone species

endangered species

extinct species

exotic species

• threatened species

• keystone species

• endangered species

• extinct species

• exotic species

Multiple Choice

The current rate of species extinction is

• slower than at any other time in this century.

• attributable to the actions of humans.

• the result of natural environmental processes.

• of little consequence to Earth's long-term survival.