Unit 4 Biology Defenitions

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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	Created by rachel-stephen almost 11 years ago