Changing Life in Habitats Review

What could happen to some plants and animals that live in a marsh along the coast after a hurricane causes major flooding in that habitat?

• Some plants and animals will survive.

• Some plants and animals may die.

• Some animals will move to another location.

• All of the above.

Many birds that live in the Northern Hemisphere fly south for the winter and return in the spring. How does this instinct (inborn behavior) help birds survive?

• This behavior helps many birds survive by avoiding cold temperatures.

• This behavior helps many birds find a mate.

• This behavior helps keep many birds strong.

• This behavior does not help birds survive

Which of the following human behaviors would help conserve water during a time of drought?

• Planting native plants that need less water to survive.

• Installing a rain barrel to collect rainwater that can be used to water plants.

• Placing mulch around trees and plants to keep the soil moist.

• All of the above are ways humans can conserve water

Crows are large black birds. They are larger than other birds such as robins and sparrows, but smaller than ravens, hawks, and owls. Crows will eat almost anything. How might the size of a crow give it an advantage in surviving in its habitat?

• A crow can be easily seen by predators such as hawks and owls.

• A crow can hide in small places to hide from predators such as hawks and owls.

• A crow can scare smaller birds away from a food source such as insects or worms.

• A crow’s size does not give it an advantage in surviving in its habitat.

Which of the following is a way people can improve the environment for animals that live near the coastal habitats of North Carolina?

• removing litter and trash, such as plastic, from beaches every day.

• increasing the number of fish a person can catch and keep

• building new homes and hotels closer to the ocean

• doubling the number of commercial fishing boats in the ocean

Salmon are a kind of fish eaten by brown bears.

Suppose the river that salmon live in becomes polluted and all of the salmon die. What will most likely happen to the population of brown bears?

• Brown bears would not be stressed and the bear population would increase in size.

• Brown bears would not be stressed and the bear population would remain the same.

• Brown bears would be stressed and the bear population would increase in size.

• Brown bears would be stressed and the bear population would reduce in size.

Which of the following animal behaviors will most likely occur during winter in North Carolina mountain habitats?

• Snakes will build nests in other places.

• Bears will hibernate.

• Frogs will search for a mate.

• Birds will migrate to the north.

Plastics are quickly filling up landfills. How can humans adapt their behavior to keep plastics from ending up in landfills?

• Use paper or fabric bags when grocery shopping.

• Recycle plastic bottles and containers instead of throwing them in the trash.

• Reuse a plastic water bottle by filling it with tap water when it is empty.

• All of the above.

Bats eat mosquitoes and other insects. Suppose a rainy spring season causes the population of mosquitoes to increase in a particular habitat. How might an increase of the mosquito population be beneficial for bats that live in the same habitat?

• The increase in the mosquito population will cause bats to move to another habitat.

• The increase in the mosquito population will provide more food for bats.

• The increase in the mosquito population will make it difficult for bats to fly.

• The increase in the mosquito population will not be beneficial for bats.

Grizzly bears can eat both plants and animals. During a hot, dry summer, a grizzly bear might not be able to find enough plants to eat. How might the grizzly bear respond to this change in its habitat in order to survive?

• The grizzly bear might try to grow plants.

• The grizzly bear might stop eating animals.

• The grizzly bear might hibernate until winter.

• The grizzly bear might eat more animals.