Mystery Science: Can Selection Happen Without People?

Anoles are a common lizard in what U.S. state?

• California

• Florida

• Alaska

What do green anoles eat?

• insects

• grass

• berries

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NGSS.MS-LS2-3

When brown anoles arrived in Florida, they ate insects and what else?

• fish

• snakes

• green anoles

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

What do green anoles have that the brown anoles don't have?

• green anoles are much larger in size

• green anoles have a longer tail that helps them climb

• green anoles have more sticky toe scales that help them climb

How have the green anoles changed through generations after the brown anoles arrived?

• they have more sticky toe scales

• their toes became less sticky

• their toes became longer

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS4-2

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Why did the change happen in the green anoles after the brown anoles arrived?

• the anoles with less sticky toe scales were faster and were not eaten as much

• the anoles with more sticky toe scales were faster and were not eaten as much

• the anoles with longer legs were faster and could escape more easily

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NGSS.MS-LS2-4

NGSS.MS-LS4-4

Can selection happen without people?

• No. People are needed to choose the traits they want to see in new generations

• Yes. Selection happens totally by accident but animals do change

• Yes. Selection happens as animals are able to live longer and reproduce more.

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NGSS.MS-LS4-2

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What caused the anoles to change?

• the brown anoles

• other green anoles

• humans

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NGSS.MS-LS1-5