Unicellular and Multicellular Organisms Review

True or False:

Single-celled organisms are able to live as one cell, and multi-celled organisms need many cells to live because each cell has specialized job.

• True

• False

Tags

NGSS.MS-LS1-1

Which best describes a difference between single­-celled organisms and multi-cellular organisms?

• Single-­celled organisms are simple, while multi-cellular organisms are complex.

• Single­-celled organisms are complex, while multi-cellular organisms are simple.

What does unicellular mean?

• Many cells

• 2 cells

• 1 cell

• 0 cells

Which of the following is a single-celled organism?

• Dog

• Snail

• Amoeba

• hat

Tags

NGSS.MS-LS1-1

Select a unicellular organism?

• Bacteria

• Tree

• Flower

• Frog

Tags

NGSS.MS-LS1-1

Select the unicellular organisms that produce their own food. (They are also classified as producers/plants)

• Euglena and algae

• Bacteria and snail

• Tree and paramecium

• Flower and algae

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why do multicellular organisms need so many cells?

• They need specialized cells to survive. Specialized cells perform a specific job/function.

• They need many cells to all do the same job/function.

• They need many cells to have a dancing cell party.

Tags

NGSS.MS-LS1-2

What is the difference between multi-celled and single-celled’s organisms?

• Single-celled organisms are “simple” and multi-celled organisms are “crazy.”

• Single-celled organisms are “super” and multi-celled organisms are “complex.”

• Single-celled organisms are “simple” and multi-celled organisms are “complex.”

Tags

NGSS.MS-LS1-1

Which best explains why both cats and humans are multicellular organisms?

• They get energy from many food sources.

• They get energy from a single food source.

• They need many different types of cells working together to meet their basic needs.

Tags

NGSS.MS-LS1-3

Which best explains how a single­-celled organism can survive without other cells?

• They do not need any substance from outside of the cell.

• They are able to perform all necessary functions within one cell

• They do not need to perform more than one function to survive.

Tags

NGSS.MS-LS1-2