NGSS.HS-LS4-5

American alligators used to be an endangered species, but not anymore.  Which of the following is the best reason why there are more in Louisiana today than there were 50 years ago?

• they have learned how to live in new places
• they are bigger now than they were 50 years ago
• they are now protected from hunting by humans
• they have much more habitat now than 50 years ago

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NGSS.HS-LS4-5

Globally, the leading cause of biodiversity loss is 

• invasive species
• poaching and overharvesting
• pollution
• habitat change and loss 

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NGSS.HS-LS4-5

During the process of natural selection, a species that lacks the variations necessary to adapt to a changing environment will most likely

• become extinct

• mutate

• fossilize

• become dormant

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NGSS.HS-LS4-5

What is the major cause of Extinctions?

• Environmental Change.

• Deforestation.

• Bottleneck Effect.

• No food supply.

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NGSS.HS-LS4-5

What is an invasive species?

• an organism that IS native to an area and causes harm to the environment/humans

• an organism that is NOT native to an area and causes harm to the environment/humans

• an organism that is NOT native to an area and helps the environment/humans

• an organism that IS native to an area and helps the environment/humans

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NGSS.HS-LS4-5

Why do endangered species matter?

• Because they are cute

• Biodiversity

• Because if they die we cannot have them as pets

• Because they cannot be in the zoo

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NGSS.HS-LS4-5

Study of populations in relation to environment, including environmental influences on density and distribution, age structure, and population size.

• population ecology

• community ecology

• ecosystem ecology

• biosphere ecology

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NGSS.HS-LS4-5

In the 1970s, the United States introduced the _________________________ which calls for a recovery plan to be created for each endangered species.

• National Environmental Policy Act

• Resource Conservation and Recovery Act

• Clean Water Act

• Endangered Species Act

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NGSS.HS-LS4-5

Which of these is NOT true about the Endangered Species Act

• It protects all plants and animals on the endangered species list

• It is a law that must be obeyed around the world.

• Anyone who harms species covered by this act can receiver a fine ($)

• It is enforces by US Fish & Wildlife Service

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NGSS.HS-LS4-5

When all of the organisms of a species have died it is called

• evolution
• extinction
• adaptation
• natural selection

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NGSS.HS-LS4-5