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Anna [14]
3 years ago
13

The wing of a bat, the arm of a human, and the flipper of a whale are structurally different even though they have similar bone

structure. what is the main reason for these structural differences?
Biology
1 answer:
Likurg_2 [28]3 years ago
8 0
Considered to be homologous structured similarities, they are different due to evolution and how they were used over thousands of years, eventhough they are all similar because of a common ancestor.
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Answer:

Si, esto es lo que se conoce como circulacion menor.

Explanation:

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Hi There! :)

<span>What is a fish bigger than a salmon but smaller than a dolphin

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What is used as evidence to develop a phylogenetic tree?
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A phylogenetic tree is the representation of the evolutionary relationships among species. The fossil records are used as evidence to develop a phylogenetic tree. Thus, option A is correct.

<h3>What is a fossil record?</h3>

A fossil record is a depiction of the organisms that shared common ancestors and depicts the change in the structural and functional unit of the organism over many years of time.

They are used to illustrate the phylogenetic tree to show the morphological, structural, chemical, anatomical, etc variations in species that shared ancestry.

Therefore, option A. fossil records are used to show the common ancestry at the nodes.

Learn more about fossil records here:

brainly.com/question/3637110

#SPJ1

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Explanation:

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