Aquatic Ecosystems

Wetlands can protect areas close to shorelines from flooding.

• true

• false

Tags

NGSS.MS-LS2-5

Most ponds contain both salt water and fresh water.

• true

• false

Plants and animals cannot live in fast-moving waters.

• true

• false

Tags

NGSS.MS-LS2-4

The deep ocean is colder and darker than other marine ecosystems.

• true

• false

A(n) _ includes any water environment and the community of organisms that live there.

• ecosystem

• lake

• pond

• aquatic ecosystem

The three main types of aquatic ecosystems are _.

• lakes, ponds, and streams

• freshwater ecosystems, estuaries, and marine ecosystems

• oceans, rivers, and estuaries

_ can be found in rivers, lakes, and wetlands.

• freshwater ecosystems

• marine ecosystems

• estuaries

_ are found in oceans.

• freshwater ecosystems

• marine ecosystems

• estuaries

Rivers and oceans form _ where they meet at a coastline.

• freshwater ecosystems

• marine ecosystems

• estuaries

The major _ that affect aquatic ecosystems include water temperature, water depth, amount of light, oxygen level, water pH, salinity, and the rate of water flow.

• biotic

• abiotic