Ecology Study Guide

Front

What is the term for a group of different populations living together in a defined area?

Back

Community

Front

What is the total mass of living tissue within a given trophic level called?

Back

Biomass

Front

What is the biosphere?

Back

The combined portions of Earth in which all living things exist.

Front

What do we call any factor that causes a population’s size to slow or decrease?

Back

Limiting factor

Front

Which branch of biology studies interactions among organisms and between organisms and their environment?

Back

Ecology

Front

What is the difference between biotic and abiotic factors in an ecosystem?

Back

Biotic factors are living components, while abiotic factors are non-living components.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their environment.

Front

What is a trophic level?

Back

A level in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the primary source of energy for most ecosystems?

Back

The Sun.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.