Show:
populations
ecosystems
rocks&minerals
Air and Water
Energy
100
relationship between 2 kinds of organisms that benefits 1 without harming the other
What is commensalism
100
first community living in an area
What is pioneer community
100
causes weathering and erosion on the moon
What are Meteorites?
100
twists, tears, or pushes one part of the crust past another
What is shear?
100
water, wind, the tides and the sun
What are alternative resources?
200
An underground layer of rock or soil that is filled with water.
What is aquifer
200
gradual replacement of a pine forest with a deciduous forest
What is ecological succession?
200
This is the way farmers protect the mineral content of soil
What is adding fertilizers and rotating crops?
200
process that makes it possible for people to use seawater for drinking
What is Desalination?
200
Where geothermal energy comes from
What is earth's internal heat?
300
first species living in an area
What are pioneer species?
300
you identify Earth's large ecosystems, with its climate, soil, plants, and animals
What is a biome
300
when melted rock material cools and hardens
How are igneous rock formed?
300
DAILY DOUBLE Water that seeps into the ground.
What is groundwater
300
fossil fuels once came from them
What are once living organisms?
400
gradual replacement of one community by another
What is ecological succession?
400
biome located to the far north, is cold and has spongy topsoil
What is the tundra
400
squeezes or pushes together the crust
What does compression do to rock layers?
400
all of the following are nonrenewable resources except Natural gas, oxygen, coal, oil
What is oxygen
400
the reason living things need oxygen in the air (hint think process)
What is respiration
500
helps an organism survive in its environment
What is adaptation?
500
two types of grasslands
What are prairies and savannas
500
stretches or pulls apart the crust
What results from tension between rock layers
500
added to water in the water purification process
What is chlorine
500
these produce Earth's largest oxygen supply
What is algae of the ocean