BIOA01H3 Study Guide - Final Guide: Habitat Destruction, Invasive Species, Local Extinction

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BIOA01H3 Full Course Notes
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BIOA01H3 Full Course Notes
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Atom: the smallest whole unit of matter compose of subatomic particles protons and neutrons located in the nucleus, electrons located in energy shells surrounding the nucleus. Element: pure substance composed of all of the same type of atom eg. o2. Molecule: formed when atoms join together could be either an element or a compound. Symbiosis: a situation in which two organisms live in close contact and at least one benefits. Mutualism: a situation in which two organisms live in close contact and both benefit. Parasitism: a situation in which one organism lives in or on another organism and feeds on that organism (eg. lice) Commensalism: a situation in which two organisms live in close contact; one benefits and the other is not affected (eg. ivy growing on tree trunk) Invasive species: species introduced by humans into new environments with unforeseen consequences. Monoculture: crops grown in large fields containing a single kind of plant.

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