Morphology:

Body Shape: Snakes have elongated, cylindrical bodies with no limbs. Their bodies are highly flexible, allowing them to move in various ways.

Scales: Their skin is covered in overlapping scales, which provide protection and aid in movement.

Head: The head is often distinct from the body, with a wide range of shapes and sizes depending on the species. They have specialized jaw structures that allow them to swallow prey much larger than their head.

Eyes: Snakes have a variety of eye shapes and sizes, often with vertical slit pupils in nocturnal species and round pupils in diurnal species.

Tongue: They have a forked tongue that they use to sense their environment by picking up chemical cues.

Learn: BIO 121a Final Chapter 16-18