Unit 4 Biology Defenitions

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A-Levels A2 BIOL4 Flashcards on Unit 4 Biology Defenitions, created by rachel-stephen on 05/01/2014.
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Flashcards by rachel-stephen, updated more than 1 year ago
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Created by rachel-stephen over 10 years ago
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Question Answer
Ecosystem All the organisms living in a certain area and all the non-living conditions found there. This includes both biotic and abiotic factors.
Biotic Conditions The living features of an ecosystem. Eg. Predators and Presence of food.
Abiotic Conditions The non-living features of an ecosystem. Eg. Temperature and Soil pH
Habitat The place where an organism lives in an ecosystem.
Niche The role of a species within it's habitat. Eg. Where and when it feeds. What it eats
Adaptation A feature that a member of species has that gives them a better chance of survival and reproduction
Population All the organisms of one species in a habitat.
Community Populations of different species in a habitat.
Population Size Total number of organisms of one species in a habitat.
Abundance The number of individuals of one species in a particular area.
Distribution Where a particular species is in the area being investigated.
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