Unicellular and Multicellular Organisms

Which organism performs all life processes in one cell?

• grass
• bacteria
• mushroom
• butterfly

Tags

NGSS.MS-LS1-1

Which organisms are capable of surviving as a single cell?

• bacteria
• humans
• plants
• fish

Tags

NGSS.MS-LS1-1

Which best explains why humans are multicellular organisms?

• Human cells are too small to function alone.
• Human cells join together to form one large cell.
• Humans need many cells to carry out life processes.
• Humans have many systems that perform the same function.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Molly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?

• amoeba
• flower
• mushroom
• insect

Tags

NGSS.MS-LS1-1

Why do humans require many different types of cells to survive?

• Human cells are identical and work together to perform the same function.
• Human cells are specialized and work together to perform the same function.
• Human cells are identical and work independently to perform different functions.
• Human cells are specialized and work independently to perform different functions.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which is the best way to classify grasshoppers?

• Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.
• Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.
• Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.
• Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.

Tags

NGSS.MS-LS1-1

Which statement best describes a bacterial cell?

• It contains more than one cell.
• It is a complete organism.
• It is part of a larger organism.
• It contains different kinds of cells.

Tags

NGSS.MS-LS1-1

A single-cell organism can do everything a cell from a multicellular organism can do except

• specialize.
• reproduce.
• use energy.
• make protein.

Which best describes a multi-celled organism?

• basic
• simple
• uniform
• complex

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which statement would most likely be found in an article about multi-celled organisms like plants?

• Plants have a simple structure.
• Plants contain only one cell that performs all functions.
• Plants do not need to eat, remove waste, or reproduce.
• Plants contain many specialized cells that perform different functions.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3