A Monophyletic Group Is Defined By

question 14

Multiple Choice

A monophyletic group is defined by:

• A) clades.
• B) DNA sequences.
• C) shared derived characters.
• D) shared ancestral characters.
• E) most common recent ancestor.

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Definitions:

Growth Hormone

A hormone secreted by the pituitary gland that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.

Pituitary

A small, pea-sized gland located at the base of the brain, functioning as the master gland by producing and releasing hormones that regulate many body functions.

Steroid Hormone

Lipid-based hormones that pass through cellular membranes and bind to specific receptors to alter gene expression.

Protein-Type Hormone

Hormones that are composed of chains of amino acids and interact with cell surface receptors; they include insulin and growth hormones.