Question

Classification of human arm and alligator forelimb

Answer 1

Answer:

human arm is divided into two parts called humerus and radius ulna

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Answer 2

Classification of human arm and alligator forelimb:

Humans share their structure with some vertebrate animals these structures are called homologous structures. For example, a human arm and alligator forelimb both are having the same homologous structures.

• The human arm classified into the upper arm and forearm. The forearm contains two bones, one is Radius and the second one is Ulna.

• Alligator forelimb is also known as an anterior limb, it acts instead of a forearm in the humans.

• Alligator forelimb classified into Radius, Ulna, and humerus. This classification depends on its shape and structure.

• These structures demonstrate that these humans and alligators had a common ancestor.