ECOLOGY: Life Sciences

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.

Front

List the levels of an ecosystem in order from largest to smallest.

Back

Ecosystem, community, population, organism.

Front

What is a population in ecology?

Back

A population is all the members of one species living in a particular area.

Front

What are the two main kinds of interactions among organisms?

Back

Competition and predation.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living part of the environment that affects living organisms, such as sunlight, water, and oxygen.

Front

What is a biotic factor?

Back

A biotic factor is a living part of the environment that affects other living organisms, such as plants, animals, and bacteria.

Front

What is predation?

Back

Predation is an interaction where one organism (the predator) kills and eats another organism (the prey).

Front

What is competition in ecology?

Back

Competition is an interaction between organisms where they vie for the same resources, such as food, space, or mates.

Front

What is a habitat?

Back

A habitat is the natural environment in which a species lives and grows.

Front

What is a community in ecology?

Back

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