Unit #3.3 Freshwater biomes

Aquatic biomes are generally divided into two main categories,____.

• Oceans and coral reefs

• freshwater and saltwater

• rivers and streams

• estuaries and wetlands

Which of the following is an example of a standing body of water?

• river

• stream

• lake

• wetland

In aquatic biomes plant and animal life depends on ____.

• depth of water/sunlight

• speed of water movement

• nutrients/oxygen

• all of the above

Tags

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Bodies of standing water have 4 main zones, which zone is the shallowest and closest to the shore?

• photic

• aphotic

• benthic

• littoral

Bodies of standing water have 4 main zones, which zone is too deep for sunlight to reach?

• photic

• aphotic

• benthic

• littoral

Bodies of standing water have 4 main zones: dead plants, animals, decomposers are found in the ____?

• photic zone

• aphotic zone

• benthic zone

• littoral zone

Lakes and ponds that have large amounts of plants and algae with very little oxygen are called ____.

• estuaries

• productive

• eutrophic

• saltwater

Tags

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NGSS.MS-LS2-3

Eutrophication of lakes and ponds can be sped up when run-off containing _____ is washed into the water in large amounts.

• fertilizer, sewage and animal waste

• salt

• herbicides and pesticides

• nuclear waste

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

An area of land where all water drains into a stream, river, lake or ocean is called a ______.

• water tower

• water house

• watershed

• water balloon

Small streams near the source or beginning are referred to as _____.

• ageless

• secondary

• youthful

• shallow