Unit 7 Test Corrections (Ecology)

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead organic material, returning nutrients to the ecosystem. Example: bacteria.

Front

What is a food web?

Back

A food web is a system or network of food chains that shows the transfer of energy among various organisms in an ecosystem.

Front

What is a carnivore?

Back

A carnivore is an animal that primarily eats other animals. Example: a lion.

Front

What is a producer?

Back

A producer is an organism that can make its own food through photosynthesis or chemosynthesis. Example: algae.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of species within an ecosystem.

Front

What is an herbivore?

Back

An herbivore is an animal that primarily eats plants. Example: a rabbit.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food from inorganic substances. Example: plants.

Front

What is a predator?

Back

A predator is an animal that hunts and eats other animals.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organisms, recycling nutrients back into the soil and supporting plant growth.