MC-Phylo-Core-Core Components of Phylogenies
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Question 1 of 6
1. Question
What does a phylogenetic tree represent?
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Question 2 of 6
2. Question
Which of the following are true about branches in a phylogenetic tree?
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Question 3 of 6
3. Question
Given this time calibrated phylogeny, which of the following statements are true? Select all that apply.
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Question 4 of 6
4. Question
For each statement below, fill in the blank with only a number. Numbers can represent numerical answers (e.g. how many tips?) or refer to a node above.
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On the phylogeny node represents the most recent common ancestor for reptiles and amphibians.
From node 3, we have a total of descendants.
The group connected at node 3, is sister to the group connected at node 5. These two groups diverged from one another at node .
Amphibians share a most recent common ancestor with other tips. Reptiles share a most recent common ancestor with other tips. Rodents share a most recent common ancestor with other tips.
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Question 5 of 6
5. Question
Why might a phylogeny use mixed levels of tips (e.g., species and families)?
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Question 6 of 6
6. Question
Given the time calibrated phylogeny, what can we conclude about the nodes? Select all that apply.
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