Intertidal Zone

What is the intertidal zone?

• An area covered by water all the time

• An area where a river meets an ocean

• The area along the shore that exists between the highest high and lowest low tides

• The ocean rainforest that is home to 25% of all marine species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

When it rains, seawater has ___ salinity.

• lower

• higher

Tide pools become more salty due to ___.

• evaporation

• precipitation

• runoff

• waves

___ is hard to find in the intertidal zone.

• Food

• Shelter

• Space

• Oxygen

Tags

NGSS.MS-LS2-4

Being out of the water and exposed to air is called ___.

• emersion

• immersion

• salinity

• turbidity

Being underneath the water is called ___.

• emersion

• immersion

• salinity

• turbidity

Marine organisms tend to dry out, or ___, when exposed to air.

• emersion

• immersion

• desiccate

• swell

What is NOT something organisms will do when the tide is out in rocky shores to deal with exposure to air?

• dry out

• hide

• close shells ("clam up") to keep water in

• burrow into sand

What is one way animals in the intertidal zone deal with rough waves?

• Some can attach to rocks

• Some burrow into sand

• Some hide

• All of the above

Tags

NGSS.MS-LS2-4

What does it mean to filter feed?

• Using sunlight to make food
• Hunting for prey in groups
• Taking in water to obtain food particles
• Eating only plants