Ecological Relationships and Ecosystems

What does the term ECOSYSTEM refer to in the context of an environment?

• A community of only living organisms interacting with each other

• Earth system environment where living and non-living chemical and physical parts interact

• The non-living things in an ecosystem, including rocks, water, sun, air, and weather

• A specific type of consumer in an ecosystem

Which term describes the living things in an ecosystem?

• ABIOTIC

• ECOSYSTEM

• BIOTIC

• DECOMPOSER

What are ABIOTIC factors in an ecosystem?

• Organisms that feed on or absorb nutrients from dead organisms

• Consumers that eat both plants and animals

• The non-living things in an ecosystem, such as rocks, water, sun, air, and weather

• Organisms that can make their own food

What is a PRODUCER (AUTOTROPH) in an ecosystem?

• An organism that obtains energy by feeding on other organisms

• An organism that can make its own food

• A consumer that typically only eats plants

• A consumer that typically only eats animals

What is a CONSUMER (HETEROTROPH) in an ecosystem?

• An organism that can make its own food

• An organism that typically eats both plants and animals

• An organism that obtains energy by feeding on other organisms

• An organism that will feed on or absorb nutrients from dead organisms

What does the term HERBIVORE refer to?

• A consumer that typically only eats animals

• A consumer that typically eats both plants and animals

• A consumer that typically only eats plants

• An organism that will feed on or absorb nutrients from dead organisms

What is a CARNIVORE in the context of an ecosystem?

• A consumer that typically only eats plants

• A consumer that typically only eats animals

• An organism that will feed on or absorb nutrients from dead organisms

• A consumer that typically eats both plants and animals

Which term describes a consumer that eats both plants and animals?

• HERBIVORE

• CARNIVORE

• OMNIVORE

• DECOMPOSER

What is the role of a DECOMPOSER in an ecosystem?

• An organism that can make its own food

• A consumer that typically only eats plants

• An organism that will feed on or absorb nutrients from dead organisms

• A consumer that typically only eats animals

What is SYMBIOSIS in the context of ecological relationships?

• A relationship where one organism benefits and the other is harmed

• A relationship where one organism benefits and the other is unaffected

• A relationship where two organisms live together

• A relationship where both organisms benefit