Much of Our Understanding of How Large Organisms Respond to Environmental

question 23

True/False

Much of our understanding of how large organisms respond to environmental variation is based on observations of model species.

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Definitions:

Hyoid Bone

A unique U-shaped bone located in the anterior neck, which supports the tongue and provides attachment points for muscles associated with swallowing.

Platysma

A muscle in the neck region that plays a role in facial expression, such as lowering the lower jaw and lip.

Mandible

The lower jawbone in humans and some animals, which holds the lower teeth in place and plays a key role in biting and chewing.

Levator Anguli Oris

A facial muscle that elevates the angle of the mouth, contributing to expressions such as smiling.