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100
Abitotic factors
What are non living aspects of the enviroment?
100
Competitive Exclusion Principle
What is two species that CANNOT occupy the same niche in the same place for very long?
100
Food web
What is a multiple pathway that represents a feeding relationship?
100
Photoautotroph
What use's energy from sunlight to make food by photosynthesis?
100
Ground Water
What is some precipitation that falls on land that soak into the ground?
200
Biomass
What is the total mass of organisms at a trophic level?
200
Decomposer
What s break's down the remains and other wastes and release simple inorganic molecules back to the environment?
200
Habitat
What is the physical environment in which a species lives and to which it is adapted ?
200
Saprotroph
What is the final step in decomposition.
200
Nitrogen fixation
What is the process of changing nitrogen gas to nitrates?
300
Biotic factor
What is the living aspects of the environment?
300
Detritivore
What consume's the dead leaves, animal feces, and other organic debris that collects on the soil or at the bottom of a body of water.
300
Herbivore
What consume's producers such as plants or algea?
300
Scavenger
What is consumes the soft tissues of dead animals?
300
Nitrates
What is the nitrogen gas that must be changed to a form called...
400
Carnivore
What is a meat eater?
400
Ecology
What is the study of how living things interact with each other and their environment?
400
Niche
What is a role of species in it's economy
400
Trophic level
What is the feeding positions in a food chain or web?
400
Evaporation
What is it called when water on the surface changes to water vapor?
500
Chemoautotroph
What use's energy from chemical compounds to make food by chemosynthesis?
500
Food chain
What is a single pathway that represents feeding relationships?
500
Omnivore
What eat's meat and plants?
500
Runoff
What is precipitation that falls on land that may flow over the surface of the ground?
500
Global cycles
What is the water cycle?
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