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13 Cards in this Set
- Front
- Back
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What is phylogeny |
study of the evolutionary history of groups of organisms |
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What is meant by a hierarchy |
groups within groups no overlap between groups |
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what's a species |
a group of similar organisms able to produce to give living, fertile offspring |
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Binomial naming system comprises of |
Genus, species |
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What is the main purpose of courtship behavoir |
to attract a mate of the right species |
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what is meant by courtship behaviour being 'species specific'? |
only members of the same species will do and respond to specific courtship behaviour |
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define biodiversity |
the variety of living organisms in an area |
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define habitat |
the place where an organism lives |
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define community |
all the populations of different species in a habitat |
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how does woodlance clearance reduce biodiversity? |
reduces trees destroys habitats species lose shelter and food source |
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pesticides |
pests directly killed species that feed on pests also killed |
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herbicides |
kill plants |
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monoculture (growing one type of plant) |
support fewer organisms |
