Unit 3 Module 3 Communities, Biomes and Ecosystems

Water found on Earth is

• 30 percent freshwater found in the ice caps.

• less than 3 percent freshwater containing no salt.

• 50 percent found in the oceans and ice caps

Tags

NGSS.MS-ESS2-4

One community replacing another as a result of changing abiotic and biotic factors

• ecological succession

• tropical succession

• end point

Stable community with little change in species numbers

• primary community

• secondary community

• climax community

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

The first organisms to appear during ecological succession

• primary organisms

• pioneer species

• succession plants

grasses with trees intermixed

• desert

• wetland

• savanna

an area where the annual rate of evaporation exceeds the rate of precipitation

• desert

• wetland

• savanna

A U.S. biome which once contained huge herds of grazing herbivores.

• wetland

• grassland

• boreal forest

Tags

NGSS.MS-LS2-4

Slow-moving water, nutrients from erosion, oxygen mixed into the water are all characteristics a river requires to have high _________.

• temperatures

• biodiversity

• ability

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

intertidal zone on a rocky shore

• dominant low-energy community likely to be an estuary

• Communities adapted to shifting sands due to incoming waves

• Communities stratified from the high-tide line to the low-tide line

which is correct

• Zone 1 = littoral

  Zone 2 = limnetic

  Zone 3 = profundal

• Zone 1 = limnetic

  Zone 2 = littoral

  Zone 3 = profundal

• Zone 1 = limnetic

  Zone 2 = profundal

  Zone 3 = littoral