Ecosystems: Aquatic Ecosystems

Front

A disease reduces the number of young salmon in a river. Which population will MOST likely increase as a result? Options: trout and eagle, algae and trout, sculpin and algae

Back

sculpin and algae

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

Which lists animals that live in an aquatic ecosystem?

black bear, deer, vole

,

ducks, turtles, amphibians

,

panthers, monkeys, snakes

Back

ducks, turtles, amphibians

Front

Bryson is comparing two different ecosystems with similarities: aquatic, diverse fish life, high salt concentration, plentiful light at the water's surface. Which two ecosystems is Bryson most likely comparing?

Back

estuary and ocean

Front

What is a difference between abiotic and biotic factors?

Back

Abiotic factors are all nonliving things and biotic factors are all living things.

Front

Which is most accurate in describing an estuary ecosystem?

Back

Freshwater mixes with saltwater to provide a nutrient-rich environment.

Front

Which type of ecosystem has the greatest variation in temperature from its top to its bottom? Options: lake, pond, ocean, estuary

Back

ocean

Front

Which ecosystem is most similar to an estuary?
Options: salt marsh, ocean, pond

Back

salt marsh

Front

Which ecosystem has lifeforms most similar to those of the ocean? Options: estuary, lake, pond, swamp

Back

estuary

Front

Which is NOT a freshwater ecosystem? Options: a river, a lake, an estuary, a stream

Back

an estuary

Front

A wetland that contains a mixture of fresh water and salt water is called

Back

an estuary