Aquatic Ecosystems

Which of the following is a nonliving thing in an ocean ecosystem?

• Shark

• Sea turtle

• Water

• Fish

Tags

NGSS.MS-LS2-3

What is an ecosystem?

• A community of living and nonliving things

• Only plants

• Only animals

• A group of humans in a community

Which of the following is a saltwater ecosystem that surrounds a continent?

• River

• Stream

• Ocean

• Marsh

What is the role of the Sun in a food chain?

• Warmth

• Lights up the ecosystem

• Source of all energy

• Nothing

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The most important abiotic factor for aquatic ecosystems is

• temperature

• carbon dioxide

• sunlight

• Sulphur

Tags

NGSS.MS-LS2-3

The most common producers in aquatic ecosystems are

• plants

• algea

• seaweed

• plankton

What is an estuary?

• Where streams flow together to become a river

• Where the intertidal and Neritic zones meet

• Where fresh water and salt water meet

• Where the ocean's deep zone begins

Tags

NGSS.MS-ESS2-4

Where would you most likely find barnacles and sea stars?

• In a river

• In the intertidal zone of the ocean

• In the open ocean

• In the neritic zone of the ocean

Because the waters of the neritic zone are relatively shallow...

• It is difficult for algae to access sun

• The pounding waves make it hard for organisms to live there

• Not a lot of marine life can survive there

• Lots of photosynthesis can occur and many things live there

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The 2 regions of the open ocean are the...

• surface and intertidal zones

• estuaries and coral reefs

• intertidal and neritic zones

• surface and deep zones