Plant and Animal Extinction Study Guide

What are fossils?

• Preserved parts or traces of animal and plants that lived in the past.

• The quality or state of having many different forms, types, ideas, etc.

• The origin or background of something.

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What does diversity mean?

• preserved parts or traces of animals and plants that lived in the past.

• the quality or state of having many different forms, types, ideas, etc.

• the origin or background of something.

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What is the definition of ancestry?

• preserved parts or traces of animals and plants that lived in the past.

• the quality or state of having many different forms, types, ideas, etc.

• the origin or background of something.

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What are TWO ways that scientists determine the habitat, diet, and characteristics of the once living organisms?

• observing the rock & soil types present where the fossil was found.

• studying fossils

• studying their own ancestry (family tree).

• watching the behavior of dinosaurs

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When plants and animals go (a)   , their species dies out and they don't exist anymore.

• extinct
• dormant
• on vacation
• crazy

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Some ways that plants and animals have gone extinct in the past:

• harmful substances in the environment

• 
• drought, floods, wildfires

• 
• sickness

• 
• hunting animals in one are too much

• 

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Fossils found in older (a)   would provide strong evidence that a certain organism had gone ​ (b)   at some point in the past.

• rock layers
• extinct
• wild
• cloud formations

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We can prevent plants and animals from going extinct in the future by: ____

Choose ALL correct answers.

• reducing pollution

• not over hunting

• not introducing new species into an area

• not building in areas where plants and animals live (forests)

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Great white sharks have been hunted for their fin meat. The data table below shows the population numbers for great white sharks over different years. The chart shows that the population of great white sharks has (a)   over the years

• decreased (gone down)
• increased (gone up)

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_______ provide evidence of living things that have gone extinct, which means they are no longer found alive anywhere on earth today.

Choose ONE correct answer

*REMEMBER THIS ENTIRE STATEMENT*

• fossils

• pollution

• books

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