Estuaries

This guy is the base of the aquatic food web.

• Shrimp

• Plankton

• Alien Joe

• Amoeba

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If the salinity increased in an estuary ecosystem, what would happen to the living organisms that live there?

• Nothing

• They would all die.

• Those adapted to saltwater would survive while those adapted to freshwater would die out.

• Those adapted to saltwater would die out while those adapted to freshwater would survive.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Mud snails are also called what?

• Periwinkle snails

• Trashmen of the sea

• Hummers

• Algal blooms

Put these images in order.

• whale-plankton-sun-krill

• krill-whale-sun-plankton

• whale-sun-krill-plankton

• sun-plankton-krill-whalte

Tags

NGSS.MS-LS2-3

An estuary's water level changes daily due to high and low _____.

Water enters estuaries from _______ sources.

• many

• 2

• 1

• local

Tags

NGSS.MS-ESS2-4

Saltmarsh cord grass has adapted itself in brackish water. What does it do with the salt it absorbs?

• Nothing

• absorbs it

• moves it away

• secretes it via pores

Which type of water has more density?

• freshwater

• They are the same

• Saltwater

• Neither have density.

Tags

NGSS.MS-PS1-2

Vegetation in an estuary serves as a filter of upstream/inland runoff and _____ before it gets to the ocean.

Tags

NGSS.MS-LS2-3

Estuaries are also known as _________________.