Organisms and Environments Review

Front

What is competition in an ecosystem?

Back

Competition occurs when two or more organisms vie for the same resources, such as food, water, or space. For example, shrews and mice compete for food in their environment.

Front

What is a population in ecological terms?

Back

A population is defined as many members of one species living in a specific area at the same time.

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food from inorganic substances, typically through photosynthesis, like plants.

Front

How do frogs obtain energy in a food chain?

Back

Frogs obtain energy by eating other organisms, such as caterpillars.

Front

What is the primary source of energy in most ecosystems?

Back

The primary source of energy in most ecosystems is sunlight.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a consumer?

Back

A consumer is an organism that cannot produce its own food and must eat other organisms for energy.

Front

What is a detritivore?

Back

A detritivore is an organism that feeds on dead organic matter, helping to decompose and recycle nutrients in the ecosystem.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is a community in ecological terms?

Back

A community is a group of different species that live together in a particular area.