Analyze and evaluate how evidence of common ancestry among groups is provided by the fossil record, biogeography, and homologies, including anatomical, molecular, and developmental.
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Q 1/8
Score 0
What is a homology?
30
Homologies are traits which are similar in structure and can be traced to a common ancestor
Q 2/8
Score 0
Which biomolecules are studied to find homologies?
30
Proteins and DNA
8 questions
Q.
What is a homology?
1
30 sec
BIOL.7a
Q.
Which biomolecules are studied to find homologies?
2
30 sec
BIOL.7a
Q.
Are homologies required to have similar structure or similar function?
3
30 sec
BIOL.7a
Q.
What are analogous traits?
4
30 sec
BIOL.7a
Q.
On a phylogenetic tree, which organisms would have the most homologies?
5
30 sec
BIOL.7a
Q.
On a phylogenetic tree, which organisms would have the fewest homologies?
6
30 sec
BIOL.7a
Q.
How do fossils give evidence of homologies?
7
30 sec
BIOL.7a
Q.
If homologies are absent in mature organisms, when might they be observed?
