Cells and Single Cell Organisms

Which of the following are unicellular organisms, check ALL that apply.

• leaf

• paramecium

• rock

• yeast

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NGSS.MS-LS1-1

How is a plant different from bacteria?

• A plant is a multi-celled organism in which each cell performs a specific function. Bacteria is a single-celled organism in which one cell performs all functions.

• Bacteria is a multi-celled organism in which each cell performs a specific function. A plant is a single-celled organism in which one cell performs all functions.

• A plant is a multi-celled organism in which one cell performs all functions. Bacteria is a single-celled organism in which each cell performs all functions.

• Bacteria is a multi-celled organism in which one cell performs all functions. A plant is a single-celled organism in which each cell performs all functions.

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NGSS.MS-LS1-2

How are multicellular and unicellular organisms different?

• Multicellular organisms have more than one cell and are smaller than unicellular organisms.

• Unicellular organisms have more than one cell and are larger than multicellular organisms.

• Unicellular organisms have one cell and are smaller than multicellular organisms.

• Multicellular organisms have one cell and are larger than unicellular organisms.

Tags

NGSS.MS-LS1-1

Which of the following is considered the smallest unit of life?

• Atom

• Cell

• Organelle

• Molecule

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NGSS.MS-LS1-1

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.

• They can't survive without other cells.

Tags

NGSS.MS-LS1-2

Which level of organization is the smallest and simplest?

• Cell

• Tissue

• Organ

• Organ System

• Organisms

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

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

• reproduce

• specialize

• get rid of waste

• use energy

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

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

Select a unicellular organism?

• Bacteria

• Tree

• Flower

• Frog

Tags

NGSS.MS-LS1-1