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An incredible variety of life exists on earth. Evolution
is responsible for this and allows organisms to be
classified in a meaningful way. Human activity has
reduced biodiversity and maintaining it is now seen
as important
Maintaining biodiversity
Click on the button to select the topic…read more

Slide 3

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Select a topic by clicking on the button
· Ecological
Meaning of biodiversity
Measurement of biodiversity and sampling
Estimates of abundance
Animal sampling
Species richness and evenness
Simpson Index of Diversity
Global estimates of biodiversity
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Ecological terms and phrases
· You should be able to define a number
of ecological terms. The first three are
specified, but the others are related and
so are included as well.
­ Species
­ Habitat
­ Biodiversity
­ Population
­ Community
­ Ecosystem…read more

Slide 5

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... terms and phrases ...
Species Definition:
· A group of organisms with similar
characteristics (morphology,
physiology, behaviour, genetics)
that can potentially interbreed and
produce fertile offspring
· Ragwort (Senecio jacobaea)
· Blue Bell (Endymion non-scriptus)
· Five-spot Burnet (Zygaena trifolii)
· Orang-utan (Pongo pygmaeus)…read more

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... terms and phrases ...
Habitat Definition:
· The place where an organism lives
· It provides correct environmental
conditions (physical, chemical and
biological) for the organisms to live
· Habitat of a rowan (mountain ash)
is a deciduous wood
· Habitat of salmon can include
different places during its life cycle
(river/freshwater/sea). Here, a
fresh water loch.…read more

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