Ecology Flashcards
Biotic
Living things
Abiotic
Non-living things
Organism
Individual living thing
Species
Group of organisms that are able to breed
Population
Members of species that live in the same area
Community
All populations living in an area
Ecosystem
Community and it’s abiotic factors
Biosphere
All ecosystems on earth
Habitat
Where an organism lives
Niche
Description of role an animal has
Symbiotic relationship
Two species living together
Parasitic relationship
One benefits other is harmed
Mutation relationship
Both benefit
Commensalism relationship
One benefited other neither harmed nor benefited
Autotroph
Makes it’s own food
Heterotrophs
An organism that cannot make its own food
Ecology
The study of how living things interact with each other and their environment
Herbivore
A consumer that eats only plants
Carnivore
A consumer that eats only meat
Omnivore
An animal that eats both plants and meat
Scavenger
A carnivore that feeds on the bodies of dead organisms
Decomposer
Absorbes nutrients from dead things
Food chain
A series of events in which one organism eats another and obtains energy
Food web
A system of interlocking and inter pendent food chains
Trophic level
Each step in a food chain or food web
Pyramid of energy
A pyramid that shows the total amount of energy available at each trophic level
Pyramid of biomass
Illustrates the relative amount of living material at each trophic level
Pyramid of numbers
Shows the number of organisms at each trophic level
Chemosynthesis
Process in which chemical energy is used to make food
