Fates of Traits

There are so many different varieties of dogs because…

• people chose to breed dogs with traits they wanted.

• dogs wanted to be different from each other

• dog babies (puppies) were different from their parents

• dogs have a lot of puppies.

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Josie has light-colored skin. During the summer, sometimes her skin turns red if she stays in the sun too long. Which of these are true? a. Josie's skin color is a trait she got from her parents. b. Becky’s skin color changed because of her experience in the summer. c. Both a and b.

• Josie's skin color changed because of her experience in the summer

• Josie's skin color is a trait she got from her parents

• Both are correct

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The green anoles are such good climbers because…

• they need to be able to climb to get food that is high up in the trees

• they need to be able to get away from brown anoles on the ground

• the green anoles that were poor climbers were more likely to get eaten by brown anoles, so they had fewer babies

• they like climbing trees

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Some birds living today have bigger eggs than birds that lived a long time ago. How do you think that happened?

• because people bred birds to have bigger eggs

• because birds are bigger now than they used to be

• because the birds wanted bigger eggs

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How does living in a group help some animals survive ?

• They help each other where to find food.

• The communicate in their own language

• They warn each other of danger

• all of the above

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If cold weather kills many of the plants in an animal's habitat, how would that affect the animals?

• They would be more likely to survive

• They would be less likely to survive

• There would be no change.

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Which is NOT an example of animals living in a group helping them survive.

• Predators are able to get to the group of animals easier.

• They are able to protect each other easier.

• They are able to get food easier.

ALL animals should live in groups for better survival?

• True

• False

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Plants and animals inherit traits from their parents.

• True

• False

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Offspring don't look exactly like each other because...

• of trait variation

• they have different parents

• their parents wanted their offspring to look different

• offspring always look exactly like each other

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