Lesson 6: Ecosystems

Multiple Choice

Which of the following best describes an ecosystem?

• A group of the same species living together

• A community of living organisms interacting with each other in a given physical and chemical environment

• A collection of nonliving things

• A place where only plants grow

Multiple Select

Which of the following are types of ecosystems?

• Aquatic

• Terrestrial

• Artificial

• Atmospheric

Multiple Choice

Which of the following is an abiotic factor in an ecosystem?

• Plants

• Animals

• Water

• Fungi

Multiple Select

Which of the following are examples of abiotic factors in an ecosystem?

• Sunlight

• Temperature

• Plants

• Water

Multiple Choice

Which of the following best describes the difference between a population and a community in an ecosystem?

• A population consists of all the members of one species in an area, while a community includes all the different species living together in an area.

• A population includes all living and non-living things in an area, while a community only includes living things.

• A population refers to all the organisms on Earth, while a community refers to a single species.

• A population is a group of ecosystems, while a community is a group of populations.