Biomes and Aquatic Ecosystems

This biome has the most diverse species of plants and animals.

• desert
• tropical rainforest
• savanna
• tundra

Tags

NGSS.MS-LS2-5

Which two biomes have the least precipitation?

• tropical rain forest and temperate grasslan
• savanna and tropical dry forest
• tundra and desert
• boreal forest and temperate woodland

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

Which is NOT a freshwater ecosystem?

• a river
• a lake 
• an estuary
• a stream

The photic zone

• extends to the bottom of the open ocean
• extends to a depth of about 200 meters
• is deep, cold, and permanently dark
• is where chemosynthetic bacteria are the producers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The aphotic zone is

• the ocean's dark lower layer where photosynthesis cannot occur
• the sunlit upper layer of the ocean where photosynthesis occurs
• on the bottom of lakes, streams, and oceans.
• where benthos are found

Tags

NGSS.MS-LS2-3

The intertidal zone of oceans

• surrounds continents
• is on the coastline
• has tides that rise and fall each day
• is the open ocean

Which factor(s) affect aquatic ecosystems?

• depth
• flow
• nutrients
• all affect aquatic ecosystems

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

phytoplankton are

• tiny autotrophic organisms in water
• large plants 
• tiny heterotrophic organisms in water
• large animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An ecosystem where water covers the soil or water is near the surface of the soil is called

• a desert
• an ocean
• an estuary
• a wetland

Tags

NGSS.MS-LS2-3

Estuaries form where 

• a lake evaporates
• a river meets the sea
• a river becomes dammed
• a wetland becomes filled in

Tags

NGSS.MS-ESS2-4