Biodiversity and Classification

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what is biodiversity?
biodiversity is a measure of the numbers of species on the planet.
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evalutionary history show that there have been five mass extinction events, when most species become extinct; these are referred to as?
bottlenecks
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closely related species have shared characteristic that have evolved from a common......................... via....................... e.g pentadactyl limb
ancestor via adaptive radiation
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organism are group according to their................... ................... known as the ............................
evolutionary relationship, phylogenetic
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classification are hierarchial e.g larger to smaller groups. what is the classification of the humans?
Kingdom, Phylum, Class, Order, Family, Genus, Species
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all organism are given scientific name, why is that?
so that it can be recognised by other scientist and helps them to identify which animal it is and what group is in it.
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what is homologous structure?
similar in structure but different functions
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what is what is a species?
A species is a group of organisms that have similar characteristics and can interbreed to produce fertile offsprings
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what is analogous structure?
different structure but similar functions
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Card 2

Front

evalutionary history show that there have been five mass extinction events, when most species become extinct; these are referred to as?

Back

bottlenecks

Card 3

Front

closely related species have shared characteristic that have evolved from a common......................... via....................... e.g pentadactyl limb

Back

Preview of the front of card 3

Card 4

Front

organism are group according to their................... ................... known as the ............................

Back

Preview of the front of card 4

Card 5

Front

classification are hierarchial e.g larger to smaller groups. what is the classification of the humans?

Back

Preview of the front of card 5
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