Ecology Review 2023

Front

What are the nonliving aspects of an ecosystem?

Back

Abiotic factors

Front

What is the smallest level of an ecosystem?

Back

Organism

Front

What is a system of food chains that shows the transfer of energy?

Back

Food web

Front

What percentage of energy usually transfers from one trophic level to the next?

Back

10%

Front

Which organisms are both secondary and tertiary consumers in a food web?

Back

Ratfish and octopuses

Front

Define abiotic factors in an ecosystem.

Back

Nonliving components such as sunlight, water, temperature, and minerals.

Front

Define biotic factors in an ecosystem.

Back

Living components such as plants, animals, and microorganisms.

Front

What is a food chain?

Back

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

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is the role of producers in an ecosystem?

Back

Organisms that produce energy through photosynthesis or chemosynthesis, forming the base of the food web.