Study Jams Aquatic Ecosystems

Which of the following is a saltwater ecosystem?

• swamp

• pond

• ocean

• bog

Which of the following is a characteristic of the tidal region in an ocean?

• It is dark and cold.

• It is the area where most sea creatures live.

• It is home to plankton, barnacles, and crabs

• It does not contain any saltwater.

Tags

NGSS.MS-LS2-2

What are the organisms that swim in the upper region of the open ocean?

• plankton

• bottom dwellers

• cattails

• nekton

Which animal would you find in a freshwater ecosystem?

• a whale

• a shark

• an eel

• a frog

Tiny algae and animals that float in water and are carried by waves and currents
(a)  

• plankton

• minnows

• bacteria

• sponges

Answer explanation

The phytoplankton are not only responsible for making food for the oceans, but they are also responsible for almost half of all the oxygen in the world!

By performing photosynthesis, they use carbon dioxide from the water and they make oxygen, which most living organisms, including humans, need to breathe.

Tags

NGSS.MS-LS2-3

are the largest biomes on Earth. They can be warm or cold. They are home to plants like seaweed and animals like fish, whales, turtles and sponges.

• oceans

• ponds

• lakes

• ice islands

Tags

NGSS.MS-ESS2-4

What is the ecosystem for water?

• Terrestrial

• Aquatic

• Northern

• Tundra

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

What is the name of the group of creatures who are strong swimmers, have flippers or fins that allow them to move through the water? Examples include most fish, reptiles, and mammals.

• plankton

• Sponge Bob

• benthos

• nekton

Which ecosystem has lifeforms most similar to those of the ocean?

• estuary

• lake

• pond

• swamp

Select ALL of the aquatic ecosystems.

• Stream

• Marsh

• Rainforest

• River