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Use the phylogenetic tree to the right to choose the true statement below.

Crocodiles are more closely related to amphibians than to primates.

Ray-finned fish evolved before sharks.

Rodents and rabbits are most closely related to primates.

Amphibians are more closely related to ray-finned fish than to primates.
Image of phylogenetic tree

Respuesta :

the correct answer on Edgenu!ty is c.) Rodents and rabbits are most closely related to primates.


The phylogenetic tree is a graph that shows the evolutive history of different lineages and how the groups are related to each other. The correct option is 3) Rodents and rabbits are most closely related to primates.      

Note: Since I do not have the image, I will provide you with a phylogenetic tree with the animals mentioned among the options. I suggest you compare this tree with yours and check if it turns to be similar.

The phylogenetic tree is a graph composed of,

  • Lineages → The taxonomic groups of interest. These are placed in the extremes of the branches.  

  • Nodes → These are the ramification points, which are also known as divergence points. They represent the location of the most recent common ancestor.  

  • Root → This is the older common ancestor that all lineages share. The first one in the tree.  

Highly related groups that share a recent common ancestor. This means that they all diverge from the same node.

Lineages less related to each other are those whose common ancestor is far away in history.  

What we need to know is that two species are more related if they have a recent common ancestor.

On the other hand, two species will be less related if their common ancestor is not a recent one and is located far away in the tree.

Options:

1) Crocodiles are more closely related to amphibians than to primates.

FALSE. Crocodiles are more related to mammals. They share a more recent common ancestor with primates than with amphibians.

2) Ray-finned fish evolved before sharks.

FALSE. Ray-finned fishes are bony animals, so they evolved after sharks, which are cartilaginous fishes. You can see sharks placed before Ray-finned fishes in the tree.

3) Rodents and rabbits are most closely related to primates.

TRUE. First of all, they are all mammals, meaning they belong to the same monophyletic group. Second, they share a recent common ancestor, which suggests they are more related to each other than to any other group.  

4) Amphibians are more closely related to ray-finned fish than to primates.

FALSE. Amphibians are equally related to ray-finned fish and primates.  They share a recent common ancestor with ray-finned fish and a common ancestor with primates. The difference is that ray-finned fish evolved first, then amphibians, and finally mammals.

You can learn more about phylogenetic trees at the following links

https://brainly.com/question/22693415?referrer=searchResults

https://brainly.com/question/16312582?referrer=searchResults

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