Bill Nye - Fish

Fish were the __________ animals with backbones so that they could swim.

• first

• last

• smallest

• largest

Fish breathe __________ under water.

• oxygen

• nitrogen

• carbon dioxide

• helium

The body of a fish is supported by its __________.

• fins

• scales

• skeleton

• muscles

Fish contract their __________ that are attached to the backbone to swim in an s-shape.

• fins

• muscles

• scales

• gills

The __________ are the organs fish use to breathe.

• lungs

• gills

• fins

• scales

Like humans, fish breathe in oxygen and exhale __________.

• nitrogen

• carbon dioxide

• helium

• hydrogen

You can tell a fish's age by counting the lines on its __________.

• fins

• scales

• gills

• bones

Fish get oxygen from __________ that live in the water.

• plants

• rocks

• sand

• soil

The oxygen that is in the water is called __________ oxygen.

• dissolved

• free

• bound

• liquid

Tags

NGSS.MS-ESS2-4

Rain, __________, and white water are other ways oxygen gets in the water.

• snow

• wind

• sunlight

• waves