Test 4 Flashcards
Abiotic factors
Not alive. Sun, water, soil
Ecology
Study of how living things interact with the environment.
Biotic factors
Living things. Plants and animals
Ecosystem.
Unit of nature that provides what is needed to survive.
Niche
The role of a species in an ecosystem.
Competitive exclusion principle.
That two species cannot occupy the same niche for long.
Two types of producers.
Photo autotrophs. Sun.
Chemoautotrophs. Chemicals.
Six types if consumers.
Herbivores, carnivores, Omnivores, decomposers, scavengers, detritivores, seprotrophs.
Food chain
Diagram that shows what eats what.
Food web.
Shows multiple pathways of energy flow.
Trophic levels.
The feeding positions of a food chain or web.
Biochemical cycles.
Elements in an ecosystem that pass through biotic and abiotic elements.
Exchange pool.
Rain to tree to evaporation to atmosphere to rain
Reservoir.
Holds something for a very long time. Ocean.
Water cycle.
Water evaporates and transpirates then condenses in the clouds and precipitates.
