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100
Ecology
What is the study of how living things interact with each other and with their environment?
100
Competitive Exclusion Principle
What is it called when a given habitat may contain many different species, but each species must have a different niche and not the same niche?
100
Omnivores
What type of organisms consume both plants and animals?
100
Food Chain
What represents a single pathway through which energy and matter flow through an ecosystem?
100
Condensation
What is the process in which water vapor changes to tiny droplets of liquid water?
200
Abiotic Factors
What is the nonliving aspects of the environment?
200
Photoautotrophs
What type of organisms use energy from sunlight to make food by photosynthesis?
200
Decomposers
What type of organisms break down the remains and other wastes and release simple inorganic molecules back to the environment?
200
Food Web
What represents multiple pathways through which energy and matter flow through an ecosystem?
200
Runoff
What is precipitation that falls on land may flow over the surface of the ground?
300
Biotic Factors
What is the living aspects of the environment?
300
Chemoautotrophs
What type of organisms use energy from chemical compounds to make food by chemosynthesis?
300
Scavengers
What type of organisms consume the soft tissues of dead animals?
300
Trophic Levels
What are the feeding positions in a food chain or web called?
300
Sublimation
What occurs when ice and snow change directly to water vapor?
400
Niche
What is the role of a species in its ecosystem?
400
Herbivores
What type of organisms consume producers such as plants or algae?
400
Detritivores
What type of organisms consume detritus?
400
Biomass
What is s the total mass of organisms at a trophic level?
400
Nitrogen Fixation
What is the process of changing nitrogen gas to nitrates?
500
Habitat
What is the physical environment in which a species lives and to which it is adapted?
500
Carnivores
What type of organisms consume animals?
500
Saprotrophs
What type of organisms feed on any remaining organic matter that is left after other decomposers do their work?
500
Detritus
What are the dead leaves, animal feces, and other organic debris that collects on the soil or at the bottom of a body of water?
500
Transpiration
What occurs when plants release water vapor through leaf pores called stomata