Question | Answer |
organism | one living individual |
population | a group of more than one of the same organism |
community | all the living organisms within an area |
ecosystem | a community of organisms and their abiotic environment |
biosphere | the part of Earth where life exists |
producer | Uses sunlight to make food |
consumer | Gets it energy from eating producers or other organisms |
decomposer | Get their energy by breaking down dead organisms - bacteria and fungi are examples |
herbivore | eats only planst |
carnivore | eats only animals |
omnivore | eats both plants and meat |
food chain | a diagram showing how energy in food flows from one organism to another |
food web | a diagram that shows the feeding relationship between many organisms in an ecosystem |
biotic | living |
abiotic | non-living (examples:water, rocks, light, temperature) |
carrying capacity | the largest population an evironment can support at a given time |
mutualism | symbiotic relationship - both organisms benefit (example: coral and algae) |
prey | an organism that is hunted and killed by another organism |
commensalism | symbiotic relationship - one organism benefits while not harming the host (example: Remora attached to shark or turtle) |
predator | an organism that hunts and eats another organism |
parasitism | symbiotic relationship - one organism benefits and harms host |
symbiosis | a relationship where two different organisms live in close association with each other |
coevolution | Change over long period of time that evolves two species - often a good change |