Environments and Survival

What is an adaptive trait?

• a trait that can change over time to help an organism survive

• a living thing, such as a plant or an animal 

• an observable characteristic (fur color, eye color, pointy ears, etc.)

• all the living and nonliving things in an area 

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Organisms must have their ____________ met in their environment in order to survive.

• prey

• wants

• needs

• predators

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Why were snails with yellow shells more likely to survive in their environment 10 years ago?

• They had more predators.

• They had more prey.

• They weren’t surviving better 10 years ago.

• Their environment was different and they could camouflage better.

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An engineer is someone who…

• Uses science knowledge to design something in order to solve a problem.

• Collects money for a good cause.

• Makes an educated guess.

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Organisms and their environment affect each other.

• True

• False

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A change to the environment makes it easier or harder for an organism to survive.

• easier

• harder

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variation is _______________.

• a living thing, such as a plant or an animal 

• differences among organisms

• a trait that can change over time to help an organism survive

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What are the reasons that the yellow snails are not surviving well in their environment?

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Why are the snails with banded shells more likely to survive?

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Adaptive Traits…

• Help organisms adapt to their environment

• Help organisms to survive

• All of the above

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