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national 5 biology

unit 3 life on earth 3.1 ecosystems

TermDefinition
habitat organisms live
ecosystem ecosystem = habitat + community ecosystem consists of all the organisms where they interact
population one species living in a habitat
community plants/animals living in a habitat
species group of organisms that breed to produce fertile offspring
niche a niche is the role it plays in the community
producer green plant that makes its own energy
consumer animal eats organism
herbivore organism eats plant
omnivore organism eats plant/animal
carnivore organism eats mainly animals
predator hunts animals for food
prey hunted by predator
competition occurs when resources are in short supply
interspecific different species
intraspecific same species more intense
biodiversity variety of plants and animal life on earth or in a particular ecosystem
food chain feeding relationship arrows show flow of energy
producer, primary consumer, secondary consumer, tertiary consumer plant herbivore omnivore, carnivore carnivore
complex food web more stable + higher biodiversity
Created by: laurax
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