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Biology Units 3 & 4

Define Species The lowest taxon in Linnaean classification; a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Define ecosystem A self-sustaining unit consisting of the interactions between the species in a community and the environment.
What are the 3 types/levels of biodiversity? Genetic diversity. Species diversity. Ecosystem diversity.
What is genetic diversity? the range of different genes within a species.
What is species diversity? the range of different species in an ecosystem.
What is ecosystem diversity? the range of different ecosystems in a particular location.
Why is species diversity important within an ecosystem? Each species has a role to play in an ecosystem, with a balance of growth and predation, nutrition and mortality. Ecosystems with many different species are able to adapt to and absorb changes better than ecosystems with fewer species.
Created by: Caitlyn_01