Quiz

What is an ecosystem?

• A. A place where animals live
• B. A community of living organisms and their physical environment
• C. A type of weather pattern
• D. A collection of rocks and minerals

Which of the following is a biotic factor in an ecosystem?

• A. Water
• B. Sunlight
• C. Temperature
• D. Plants

Which term describes a sequence of organisms each dependent on the next as a source of food?

• A. Food web
• B. Food chain
• C. Ecosystem
• D. Habitat

What is an adaptation?

• A. A sudden change in an organism’s environment
• B. A trait that helps an organism survive and reproduce
• C. A type of food that organisms eat
• D. A way of producing energy in plants

Which of the following is an example of mutualism?

• A. A lion hunting a zebra
• B. A bee pollinating a flower
• C. A tick feeding on a dog
• D. A barnacle attached to a whale

What is the main source of energy for almost all ecosystems?

• A. Water
• B. Soil
• C. Sunlight
• D. Wind

Which of the following describes an organism’s role in its habitat?

• A. Ecosystem
• B. Niche
• C. Community
• D. Population

Which of the following is an example of a predator-prey relationship?

• A. Cactus and sunlight
• B. Hawk and rabbit
• C. Fish and water
• D. Tree and fungus

What does biodiversity refer to?

• A. The number of different species in an ecosystem
• B. The variety of habitats in an ecosystem
• C. The amount of sunlight an ecosystem receives
• D. The types of soil found in an ecosystem

What is the primary threat to biodiversity in many ecosystems?

• A. Pollution
• B. High temperatures
• C. Rainfall
• D. Altitude