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100
Ecology
What is the study of how living things interact with each other and their environment?
100
Competitive Exclusion Principle
What is a given habitat that may contain many different species, but each species must have a different niche?
100
Omnivores
What consume both plants and animals?
100
Saprotrophs
What is the final step of decomposition?
100
Matter
What is not lost as it passes through an ecosystem?
200
Abiotic Factors
What is all the nonliving aspects of the environment?
200
Photoautotrophs
What use energy from sunlight to make food by photosynthesis?
200
Decomposers
What break down the remains and other wastes and release simple inorganic molecules back to the environment?
200
Food chain
What is a single pathway through which energy and matter flow through an ecosystem?
200
Exchange Pool
What is part of a cycle that holds an element or water for a short period of time?
300
Biotic factors
What is all the living aspects of the environment?
300
Chemoautotrophs
What use energy from chemical compounds to make food by chemosynthesis?
300
Scavengers
What consumes the soft tissues of dead animals?
300
Food web
What represents multiple pathways through which energy and matter flow through an ecosystem?
300
Evaporation
What occurs when water on a surface changes to water vapor?
400
Niche
What refers to the role of a species in its ecosystem?
400
Herbivores
What consumes producers such as plants or algae?
400
Detrivores
What consumes detritus?
400
trophic levels
What is the feeding positions in a food chain or a food web?
400
Sublimation
What occurs when ice and snow change directly to water vapor?
500
Habitat
What is a physical environment in which a species lives and to which it adapts?
500
Carnivores
What consume animals?
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
Biomass
What is the total mass of organisms at a trophic level?
500
Transpiration
What occurs when plants release water vapor through leaf pores called stomata?
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