FLASHCARD Ch 2 (2.1 - 2.4)

Front

What is Ecology?

Back

Ecology is the study of the interaction of organisms and their environment.

Front

What does the habitat of a species include?

Back

The habitat of a species includes both abiotic and biotic factors.

Front

What is osmosis?

Back

Osmosis is the movement of water across a membrane in response to a gradient of solute concentration.

Front

What are communities of organisms made up of?

Back

Communities of organisms are made up of populations of different species.

Front

What determines the salinity of water?

Back

The amount of dissolved salts in water determines the salinity.

Front

Define abiotic factors.

Back

Abiotic factors are the non-living chemical and physical parts of the environment that affect living organisms.

Front

Define biotic factors.

Back

Biotic factors are the living components of an ecosystem that affect the population of organisms.

Front

What is a population in ecological terms?

Back

A population is a group of individuals of the same species that live in the same area.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with the abiotic environment.

Front

What is the difference between a habitat and a niche?

Back

A habitat is the environment where an organism lives, while a niche is the role or function of that organism within the ecosystem.