Survival in a Habitat

Which of the following adaptations most helps lemurs to live in tropical trees?

• Lemurs have soft, gray fur that keeps them warm in cool weather.

• Lemurs have strong, long tails that can be curled around branches.

• Lemurs have small, black eyes that allow them to see well at night.

• Lemurs have sharp, razor-like teeth that can be used to tear apart food.

Which natural physical event might cause animals to move from their environment?

• drought

• average rainfall

• building construction

• normal temperatures

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Which of the following reasons best explains why wildebeest herds move around in an area each year in their environment.

• to find more food

• to escape a thunderstorm

• to develop stronger muscles

• to follow other animal species

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A large population of birds lives in the grassland area along a slow-moving river. This species of bird feeds on plant seeds. Each spring, the river floods most of the surrounding grassland area for a period of several months.

4) Which of the following statements describes how the birds in the population will most likely respond to this change in the environment?

• The birds will become extinct.

• The birds will learn to eat insects.

• The birds will learn to eat insects.

• The birds will move to a different location.

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Penguins migrate in South America. The migrations of these penguins is in response to which of the following environmental conditions?

• change in temperature

• long period of drought

• decrease in ocean level

• increase in earthquakes

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6) Which part of a plant is most responsible protecting a rose bush from predators?

• Flower

• Root

• Leaf

• Thorns

7) A tuna is an ocean fish that is well adapted to catching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey

• large fins

• sharp teeth

• small gills

• tough scales

8) How do adaptations help a plant or an animal to survive?

• adaptations help animals get food

• adaptations help animals move

• adaptations help protect animals

• all of the above

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How does the construction of buildings affect the ecosystem for animals living there?

• it increases the food available to the animals

• it increases the space available to the animals

• it decreases the space and food available to the animals

• it does not change the ecosystem

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Why do animals migrate?

• to find food

• to cope with changing temperatures

• to find water

• all of the above

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