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Ecology Pt 2

Ecology Science 7 Part 2

TermDefinition
biome area where climate typically determines the plant community which supports an animal community
producers organisms that create their own food; change energy from sunlight into chemical energy or food
food chain diagram that shows how energy and nutrients are transferred from one organism to another
primary consumer an organism that feeds on plants (herbivore)
secondary consumer carnivore that eats only primary consumer
tertiary consumer carnivore that feeds only on secondary consumer; at top most level of food chain
food web diagram that shows the feeding relationship between organisms in an ecosystem
symbiosis close, long term association between two or more species
mutualism symbiotic relationship where both organisms benefit
parasitism symbiotic relationship where one organism benefits and other is harmed
commensalism symbiotic relationship where one organism benefits and other is unharmed
energy pyramid shows an ecosystem loss of energy
What plants need for photosynthesis sunlight, water, carbon dioxide
herbivore organism that eats only plants
carnivore organism that eats only animals
omnivore organism that eats plants and animals
decomposer organism that breaks down dead organisms
predator/prey the relationship where one species eats the other prey gets eaten by the predator
competition interaction between species in which they are fighting over limited resources
population growth change in the number of species in a specific location during a time period
limiting factors a factor that slows or stops a population from growing
ecosystem stability the ability of an ecosystem to resist change when a challenge is presented to the ecosystem
sustainability an ecosystem's ability to maintain normal conditions
Symbiotic Relationship Interactions of an organism in an ecosystem. Can be harmful, helpful or neutral
consumer an organism that eats other organisms
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