Topic 1 - Living Things in the Biosphere Vocabulary

Front

What is a protist?

Back

A single-celled organism that is not a plant, animal, or fungus.

Front

What does multicellular mean?

Back

Multicellular refers to an organism that consists of multiple cells.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in an organism.

Front

What does unicellular mean?

Back

Unicellular refers to an organism that consists of a single cell.

Front

What is a vertebrate?

Back

A vertebrate is an animal that has a backbone or spinal column.

Front

What is a microorganism?

Back

A microorganism is a tiny living organism that can only be seen with a microscope.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is a habitat?

Back

A habitat is the natural environment in which an organism lives.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their physical environment interacting as a system.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.