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Ecology

TermDefinition
autotroph make their own food
camouflage/mimicry evolutionary mechanisms- prevents predation
carnivore eats meat only
community group of populations that live in the same area
consumers organisms that eat(consume) other organisms for energy
decomposer consumers that eat waste products for energy
detrivore eats dead organisms
ecosystem biological community and the non-living things
energy transfer 90% lost 10% transferred (90/10 rule)
food chain lineup of organisms that shows who eats who
food web a network of connected food chains
habitat the place where an organism lives out its life
heterotroph organisms that get their energy from eating food
herbivore eats autotrophs only
niche an organisms job/role
omnivore eats both plants and animals
predators consumers that hunt and eat prey
prey what the predator eats
population group of organisms, all the same species
producer organisms that take in their energy from their surroundings to make their own food
top predators nothing eats it
trophic level a feeding level in an ecosystem
biodiversity variety
sustainability earth conditions allowing human needs are met so our planet isn't destroyed
ecological footprint amount of earth required for one person
closed system earth; can't gain/lose mass-recycled
endangered species numbers are so low almost to extinction
extinction no longer exists
keystone species so important; if this species leaves the ecosystem species will not be able to survive in that ecosystem
exotic species species moved into a new habitat: competes for resources with the existing species-nothing eats it to control the population
habitat destruction human activities that destroys the habitats of the species
natural resources water,food,etc.-elements in life needed to survive
Created by: Rachel_Suddarth
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