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Ecosystems

TermDefinition
Organism living things
Habit An environment that provides the hinges specific organism needs to live and grow and reproduce
Biotic factors Parts of a habit that are were once alive
Abiotic factors Are non living parts of an organism's habitat
Species Is a group of organisms that can mate with each other and produce offspring
Population One species living in a particular area
Community All the different populations that live together in an area make up an community
Ecosystem Organisms that lives in a particular area along with the non living environment
Ecology The study of how organisms interact with each other and with their environment
Population density The number of individuals in an area of a specific size
Limiting factor An environmental facto that causes a population to stop growing or to decrease in size
Carrying capacity The largest population that an area can support
Producer An organism that can make it’s own food
Consumer Obtains energy by feeding on other organisms
Scavenger Is a carnivore that feeds on bodies of dead organisms
Herbivore Are consumers that eat only plants
Carnivores Eat only animals
Omnivores Eat both plants and animals
Decomposer Break down biotic wastes and dead organisms returning the raw material to the ecosystem
Food chain Is a series of events in which one organism eat another and obtains energy
Food web Consists of many overlapping food chains
Energy pyramid Shows the amount of energy that moves from one feeding level to another in a food web
Chlorophyll Plants leaves have green organelles called chlorophyll. Inside chlorophyll is a green pigment is a chemical compound that absorbs light. Chlorophyll absorbs light.
Autotroph An organism that makes its one food
Heterotroph An organism that has to get it a food from a source
Competition When two species share a niche one of there population might be affected
Symbiosis Is any relationship in which two species live closely together
Commensalism Is a relationship in which one species benfits and the other species is nether helped nor harmed
Mutualism Which is a relationship in which both species benfits.
Created by: user-1979074
 

 



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