BY2 Biodiversity and Evolution

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  • Created by: Danielle
  • Created on: 30-11-13 14:59
*8 State the term used to describe structures which are similar in structure but serve different functions?
Homologous
1 of 10
Give an example of homologous features.
The pentadactyl limb of chordata
2 of 10
Name examples of the pentadactyl limb.
Arm of human, the wing of a bat, the flipper of a whale, the wing of a bird, the leg of a horse
3 of 10
What is the name given to features that are similar, have the same function and have developed due to similar environments.
Analogous
4 of 10
Give an example of analogous features.
Wings of birds and wings of insects
5 of 10
Define mutations.
A permanent change in the DNA or chromosome number of a cell
6 of 10
Define convergent evolution
the tendency of unrelated organisms to acquire similar structures
7 of 10
Name a problem with using physical features to state common ancestry
Convergent evolution may have arose
8 of 10
What is DNA hybridisation/analysis
the 'splitting' of DNA molecules so the sequence of bases can be compared
9 of 10
Name two methods of stating common ancestry using genetic evidence
DNA hybridization/analysis, study of sequence of amino acids (in fibrinogen molecue)
10 of 10

Other cards in this set

Card 2

Front

Give an example of homologous features.

Back

The pentadactyl limb of chordata

Card 3

Front

Name examples of the pentadactyl limb.

Back

Preview of the front of card 3

Card 4

Front

What is the name given to features that are similar, have the same function and have developed due to similar environments.

Back

Preview of the front of card 4

Card 5

Front

Give an example of analogous features.

Back

Preview of the front of card 5
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