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Which of the Following Groups of Vertebrates Is Phylogenetically Oldest

question 111

Multiple Choice

Which of the following groups of vertebrates is phylogenetically oldest and retains the ancestral type of heart?


Definitions:

Integumentary

Pertains to the integument or skin, which is the body's largest organ, covering and protecting it.

Malignant Melanoma

This is a serious skin cancer originating from pigment-producing cells, known for its ability to rapidly spread to other organs if not treated early.

Melanocytes

Cells that produce the pigment of the skin, melanin.

Pediculosis Capitis

Pediculosis Capitis is a common parasitic infestation of the scalp caused by head lice.

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