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science 2018 T3


ecology ecology is the study of how organisms interact with each other and with their non-living surroundings form an environement that is different from others near by
ecosystem a system where organisms interact with their physical surrondings to form an environment that is different from others nearby.
ecothermic animals (eg. lizards) that obatin body heat from outside their body
endothermic animals (eg. tiger) that can generate body heat internally.
environment all the factors in an organism's surronding that affect it's survival
adaptions any feature that assists an organism to survive and reproduce in it's environment.
adaptions 2 any feature that assists an organism to survive and reproduce in it's environment. adaptions are classified as structural (eg. bats wings), behavioural (eg. nocturnal animals) or fuctional (how a piece of the body works).
sustainability is an ecosystem that has the ability to maintain suitable living conditions for the community.
biodiverty a range of different species living in a community
commensalism relatioship where one organism benefits and another organism is unharmed (eg. whale tail and barnacles)
interdependance realtionship between organisms, where each other affects the other's survival (eg. predator and prey)
parasitism relationsip where one organism lives on or in another organism and harms it. eg. the parasite lives on the host & feeds off it haring it, (eg. caterpillar and wasp larvae or parasite).
biotic factors any living factor of the environment (eg.
abiotic factors any non-living factor of the environment (eg. light, water, fire, soil, oxgyen, temperature).
competition when oraganisms both try to obtain the same resorce - food or shelter etc (eg. chicks competing for food from mother).
predation when one organism (predator) kills and eats another organism (prey). (eg. lion killing and eating a zebra).
mutualism a realtionship where two organisms live closely together and both benefit (eg. birds and zebra; the bird get food and the beasts get pest control).
decomposers decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.
food web a system of interlocking and interdependent food chains.
food chain A food chain is a network of links in a food web starting from producer organisms and ending at predator species, detritivores, or decomposer species.
ecosystem to sustain itself . substance necesaary for it's survival & growth (eg. water or nitrogen) . input of energy (eg, sunlight) . wide range o species living there - biodiverty
Created by: lilydwan
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