Unicellular Organisms

Front

What is a unicellular organism?

Back

An organism that consists of only one cell and can perform all life processes within that single cell.

Front

True or False: Every plant and animal starts out as a single cell.

Back

True

Front

Which structure is NOT used for locomotion by unicellular organisms?

Back

Cell wall.

Front

How does a single-celled organism survive without other cells?

Back

It is able to perform all necessary functions within one cell.

Front

What best describes a single-celled organism?

Back

An organism that is able to carry out all its life processes.

Front

What is the main difference between bacteria and insects?

Back

Bacteria are made of one cell, while insects are made of many cells.

Front

What is a pseudopod?

Back

A temporary projection of a cell used for movement and feeding in some unicellular organisms.

Front

What is a flagellum?

Back

A long, whip-like structure that helps some unicellular organisms move.

Front

What is a cilium?

Back

A short, hair-like structure that helps unicellular organisms move and feed.

Front

What is the function of the cell membrane in unicellular organisms?

Back

It controls what enters and exits the cell, maintaining homeostasis.