Natural Selection and Fossil review

What effect did burning coal during the Industrial Revolution in England have on forests around cities?

• Trees became covered in dark soot

• Trees grew taller and had more branches

• Trees had fewer places for birds (predators) to nest

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What happened to the peppered moth population after the Industrial Revolution?

• The light moths all decided to turn dark colored so that the birds would not be able to catch them as easily.

• There were MORE DARK moths because the bird were less likely to see them, and therefore the dark moths were more likely to suvive and reproduce.

• The percentage of dark and light moths stayed the same over time.

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When in the light forest the ____________ moths are MORE LIKELY to survive.

• Light

• Dark

• Neither

• Both

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When in the dark forest the ____________ moths are MORE LIKELY to survive.

• Light

• Dark

• Neither

• Both

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Living organisms that are better adapted

    to their environment  are more likely to

    survive and reproduce. This causes species to change over time.

• peppered moths

• Natural Selection

• Extinction

• Charles Darwin

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Organisms that have been found in the fossil record, but are no longer alive today are said to be...

• evolved

• extinct

• threatened

• endangered

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Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice
• The hawks eat more dark mice than light mice because the dark mice taste better
• The hawks eat more light mice than dark mice because they can see the light mice more easily
• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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Why do all of these organisms have long legs?

• The food is found up high, so the creatures decided to grow long legs.

• The food is found up high, so the creatures with long legs were more likely to survive and reproduce.

• The creatures taught their babies to grow longer legs so they could reach the food.

• The creatures stretched their legs each day until they were tall enough to reach the food.

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A large herd of goats lives in a field full of poison ivy.  Some goats are able to eat the poison ivy while others have become sick when they eat it. What might happen to the population of goats in the field over many generations because of natural selection?

• The goats that can eat the poison ivy are more likely to survive and reproduce. Therefore, after many generations, there are more goats in the population that can eat poison ivy.

• The goats will teach each other how to eat poison ivy without having a reaction. After a while many of the goats will know how to eat poison ivy.

• All of the goats would die, goats cannot eat poison ivy without getting sick.

• The population of goats would remain the same over time. There would always be the same number of goats that get sick from poison ivy each generation.

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What type of fossil is shown in this picture?

• petrified fossil
• mold and cast fossil
• preserved remains
• bone and shell fossil

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