Review - Cells & Cell Theory

Front

In order to sustain life, all cells must...

Back

digest nutrients and water, excrete waste and fluids, maintain a homeostasis environment (aka cellular respiration and regulation).

Front

Which scientist concluded that all animals are made of cells?

Back

Theodor Schwann.

Front

What tool do you use to view cells?

Back

microscope.

Front

How are unicellular organisms different from multicellular organisms?

Back

Unicellular organisms are made of only one cell.

Front

An organism made of one cell is called...

Back

unicellular organism.

Front

What is the basic unit of life?

Back

The cell.

Front

What is cell theory?

Back

Cell theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are simple, single-celled organisms without a nucleus, such as bacteria.

Front

What are eukaryotic cells?

Back

Eukaryotic cells are complex cells that have a nucleus and organelles, found in plants, animals, and fungi.

Front

What is homeostasis in cells?

Back

Homeostasis is the ability of a cell to maintain a stable internal environment.