Chapter 5 Science Review

Chapter 5 Review

Multiple Choice

All the populations living in the same place form a(n) _____.

• community

• resource

• ecosystem

• habitat

Multiple Choice

A living thing that breaks down waste and dead plant and animal matter is called a _____.

• carnivore

• producer

• consumer

• decomposer

Multiple Choice

Desert snakes eat kangaroo rats. What do you think would happen to the population of rats if the snakes grew larger?

• The population of rats would grow bigger.

• The population of rats would grow smaller.

Multiple Choice

Which of the following is an adaptation that helps an animal survive seasonal changes in its ecosystem.

• groundhogs dig burrows underground

• an insect using a plant as shelter

• some birds migrate to warmer places during winter

Multiple Choice

Forest fires can change ecosystems. What is a positive effect of a forest fire?

• forest fires destroy many trees and other plant and animal homes

• forest fires allow plants that are not burned more room to grow

Multiple Choice

Which of the following is an example of a decomposer?

• the sun

• a grasshopper

• a mushroom

• a bear

Multiple Choice

What do sunlight, soil, air, and water all have in common?

• They are all nonliving parts of an ecosystem.

• They are a community.

• They are living parts of an ecosystem.

• They are part of a population.

Multiple Choice

Which statement is true about how changes in the environment affect living things in an ecosystem?

• Changes harm all living things.

• Changes benefit all living things.

• Changes harm some living things and benefit others.

• Changes are not harmful.

Multiple Choice

Some trees shed their leaves before winter. What is this an example of?

• an adaptation

• a competition

• an ecosystem

• a population

Multiple Choice

Think about what humans eat. What type of consumer are most humans?

• carnivore

• herbivore

• omnivore

Multiple Choice

What is a decomposer?

• a nonliving thing that breaks down waste and dead plant and animal matter

• a living thing that breaks down waste and dead plant and animal matter

Multiple Choice

What is a food chain?

• the transfer of energy from one living thing to another

• a trait that helps a living thing survive in its environment

• all the populations that live in the same place

Multiple Choice

What is a consumer?

• the place where a living thing makes its home

• all the living things of the same kind that live in the same place

• a living thing that eats other organisms

Multiple Choice

What is a population?

• all the living things of the same kind that live in the same place

• a living thing that eats other organisms

• the living and nonliving things that interact in an environment

Multiple Choice

Which is a way that a drought changes an ecosystem?

• Beaches wash away.

• Plants die from lack of water.

• Plants have more room to grow.

• Animal habitats are flooded.