Heredity, Survival, & Selection - Unit Assessment

1. 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.

2. The green anoles are such good climbers because…

• they like climbing trees.
• 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.

3. Becky has light-colored skin. During the summer, sometimes her skin turns red if she stays in the sun too long.

• Becky’s skin color is a trait she got from her parents.
• Becky’s skin color changed because of her experience in the summer.
• Both answers are correct

4. Chickens living today have bigger eggs than chickens that lived a long time ago. How do you think that happened?

5. How does living in a group help vervet monkeys survive? Choose the best answer.

• They show each other where to find food.
• They communicate in their own language.
• They warn each other of danger.
• They groom each other’s fur.

6. If dry weather kills many of the plants in the vervet monkeys’ habitat, how would that affect the vervet monkeys?

• They would be more likely to survive.
• They would be less likely to survive.
• There would be no change.

10. Would all the kittens from those two cats look the same?

• Yes
• No

7. Why do some animals have camouflage?

• To communicate with other animals.

• To find food more easily.

• To hide from predators.

• To attract mates.

8. How do plants adapt to survive in dry environments?

• By growing taller.

• By storing water in their stems or leaves.

• By producing more flowers.

• By growing larger leaves.

9. Why do birds migrate?

• To find better nesting sites.

• To escape predators.

• To explore new territories.

• To find food and suitable climate conditions.