Cells and Organisms

Which of the following is a single cell people can see without a microscope?

• goldfish

• microorganism

• chicken egg

• bacteria

The heart, which pumps blood through the body, is made up of _____________ tissue.

• heart

• bone

• muscle

• organ

Which two ways can help us see details in cells?

• microscope & telescope

• telescope & staining cells

• lens & telescope

• microscope & staining cells

__________________ is the largest organ in the human body.

• heart

• skin

• brain

• lungs

What do the flagella (tails) in a microorganism do?

• keep it still

• wag back and forth to move the cell

• help the cell reproduce

• transform the cell

Tags

NGSS.MS-LS1-2

The __________ is the part of the cell that contains information and tells the cell what to do.

• nucleus

• cell wall

• cell membrane

• tissue

Tags

NGSS.MS-LS1-2

Which is NOT a characteristic of an organism?

• change & develop

• turn food into energy

• shine when the sun hits it

• reproduce

Tags

NGSS.MS-LS3-2

The unit from which all organisms are made.

• bacteria

• tissue

• cell

• organ

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

An organism that can only be seen with a microscope.

• organ

• bacteria

• microorganism

• tissue

The tiny "factories" inside cells

• organelles

• organs

• tissues

• organs

Tags

NGSS.MS-LS1-2