Which organism is B more closely related to, D or E?

Question

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To determine which organism B is more closely related to, we need to consider the pattern of shared ancestry shown in the phylogenetic relationships among B, D, and E.

Option 1: 'B is equally closely related to D and E.' This would be true only if B shared a more recent common ancestor with D and E at the same time, meaning D and E diverged from B at identical points in the evolutionary tree. In many typical diagrams, that equal closeness is not the case, so this statement is unlikely unless the tree explicitly shows symmetric branching around B.

Option 2: 'E' suggests that B shares a more recent common ancestor with E than with D. If the diagram shows B and E branching from a common node more recently than either does with D, this option would be supported. However, without that specific pattern, this choice would be incorrect.

Option 3: 'D' implies that B and D share a more recent common ancestor than B and E. If the tree shows B and D diverging from a common node after B’s lineage split from E’s lineage, then B is more closely related to D. This would be the correct interpretation when the branching order places D nearer to B than E is, in terms of shared evolutionary history.

In phylogenetic reasoning, the key is to examine where the lineages join on the tree: the closer the join point to B, the more closely related the two organisms are. If the diagram indicates that B and D share a more recent node than B and E, it follows that B is more closely related to D. Conversely, if the most recent shared node for B and E is younger than that with D, E would be the closer relative. If the diagram shows simultaneous, equal branching for D and E with respect to B, option 1 would be plausible, but that scenario is not typically the default reading unless specified.

Given the provided answer set and typical interpretations of such questions, the option naming D as the closer relative aligns with the scenario where B shares a more recent common ancestor with D than with E. The other options either attribute equal closeness without evidence, or attribute closeness to E, which would require a tree pattern that favors B–E proximity.

APBIO142-030 with labs S25 - Assignment: Cladograms and Phylogeny

Which organism is B more closely related to, D or E?

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APBIO142-030 with labs S25 - Assignment: Cladograms and Phylogeny

Which organism is B more closely related to, D or E?

View Explanation

Log in for full answers

Similar Questions

Please use this image to answer the following questions. 1: The sister taxa to humans. ____ 2: The lizard is most closely related to ____. ____ 3: The outgroup ____

Hair on humans and other hominids is _____ .

Use the phylogenetic tree below to answer the following: True or False? Plants are more closely related to protists than they are to fungi.

Use a specific one-word answer to receive credit.Ideally, when making phylogenetic trees, the taxa in the tree should be ___ .Please double check your spelling to make sure the word is spelled correctly. Thank you!

Gorillas’ bodies have hair, and their closest living relatives also have hair on their bodies. What type of characteristic is this?

Which part of the phylogenetic tree is the red arrow pointing to? Click Here if you are unable to see the image (opens in new window)

There is more than one correct way to show relationships using a phylogenetic tree. Three of the four trees displayed below show the same relationship between species A, B, C, D, and E. Which tree shows a different relationship?Tree 1 Tree 2 Tree 3 Tree 4

The opposable thumb of primates (lemurs, monkeys, apes (including humans)) is a / an ___ of all primates.*Opposable thumb is a thumb (first digit / finger of the hand) that can be placed opposite the fingers of the same hand.

More Practical Tools for Students Powered by AI Study Helper

Making Your Study Simpler

Please use this image to answer the following questions. 1: The sister taxa to humans. 2: The lizard is most closely related to . 3: The outgroup