Heredity, Survival and Selection

How can you tell whether two different fruits are just varieties of one kind of fruit, or if they’re completely different fruits?

• You can look at them and see if they have similar leaves and flowers. You can also check their insides and see if they look the same.

• You can check to see if they smell the same.

• You can check to see if they feel the same.

• You can check if they taste the same.

Why are there so many different breeds of dogs?

• They are just born that way.

• Humans have used selection to create different breeds of dogs over time.

• The dogs eat special food.

• The dogs adapt to different climates on their own.

Which green anoles had the BEST chance to survive when the brown anoles arrived on Lizard Island?

• The green anoles that didn’t climb so well.

• The green anoles that were good climbers.

• The green anoles that were excellent climbers.

• The green anoles that could change color.

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Animals that live in groups are less likely to ...

• Get eaten by predators

• Share their food

• Feel lonely

• Compete for resources

Animals that live in groups, like dogs, need ways to communicate with each other.

• True

• False

Which of the following is an example of how living in a group can help provide protection?

• One meerkat keeps lookout while the rest of the group finds food.

• Monkeys shout an alarm call if they see a leopard, and all other monkeys in the group run into the trees.

• Elephants form a circle around their calves to protect them from lions.

• All of the above.

How is the environment different for people living in space?

• The force of gravity is not as strong.

• There is nothing to eat.

• There is no way to exercise.

• They can’t communicate with each other.

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Which of these are traits of living things?

• Dimples on people’s faces.

• The shape of the plant's leaves.

• The color of bird’s wings.

• All of the above.

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Which traits changed for astronauts living in space?

• Height and hearing

• Freckles and hair color

• Balance and muscle strength

• Weight and skin color

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How did cows get so good at producing milk?

• Through natural selection.

• By drinking lots of water.

• By eating green grass.

• By living in groups.

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