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damage to the ozone layer caused by pollutants such as CFCs.
(also called heterotrophic organisms) organisms that are not able to produce their own organic...
the process whereby a particular change causes a response which reverses that change.
to change over a period of time in response to new environmental conditions.
the effect of the relative lengths of daylight and darkness on the physiology and behaviour of...
a large combination of RNA and protein which catalyses the formation or synthesis of proteins ...