Section 1
Section 2
Section 3
Section 4
Section 5
100
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger
100
The continuous process by which water moves from Earth's surface tot he atmosphere and back.
What is the water cycle
100
The study of where organisms live.
What is biogeography
100
A group of land ecosystems with similar climates and organisms.
What is a biome
100
Where a river meets the salt water of the ocean.
What is an estuary
200
The many overlapping food chains in an ecosystem.
What is the food web
200
The process by which a gas changes to a liquid.
What is condensation
200
The movement of organisms from one place to another.
What is dispersal
200
An area that receives less than 25 centimeters of rain per year.
What is a desert
200
Between the highest high-tide and the lowest low-ride.
What is the intertidal zone.
300
The amount of energy that moves from one feeding level to another in a food web.
What is the energy pyramid.
300
The process of changing free nitrogen into a useable form of nitrogen.
What is nitrogen fixation
300
An organism that is carried into a new location by people.
What is an exotic species.
300
An area that is populated mostly by grasses and other non-woody plants.
What is grassland
300
Below the low-tide line is a region of sallow water.
What is the neritic zone
400
Form the base of the food web.
What is a producer
400
Returns carbon compounds to the soil and release carbon dioxide to the air in the oxygen and carbon cycle.
What is a decomposer
400
An organism that is carried into a new location by people.
What is an exotic species.
400
Most of the trees in the boreal forest.
What is coniferous trees
400
Located below the surface zone, it is almost totally dark.
What is the dark zone
500
The amount of energy that is lost at every step of the energy pyramid.
What is 90%
500
Nitrogen moves from the air to the soil, into living things, and back into the air.
What is the nitrogen cycle
500
Determines the distribution os species on different parts of the mountain.
What is climate
500
You can find this type if soil in a tundra.
What is permafrost
500
All aquatic animals are affected by the same abiotic factors.
What is sunlight, temperature, oxygen, and salt content.
M
e
n
u