Which Is an Example of Convergent Evolution

question 27

Multiple Choice

Which is an example of convergent evolution?

• A) the hind limb bones found in pythons
• B) the third molars in the human mouth
• C) the adaptation of the leaf into a cactus spine
• D) the development of thorns to protect the plant
• E) the elongated snouts of aardvarks, anteaters, and pangolins

---

Definitions:

Vitreous Humor

A gel-like substance filling the space between the lens and the retina of the eyeball, providing it with shape and a protective environment.

Aqueous Humor

The clear fluid found in the anterior chamber of the eye, contributing to pressure regulation and nutrient distribution within the eye.

Ciliary Body

A ring of tissue behind the iris in the eye that includes the ciliary muscle and ciliary processes, responsible for controlling the shape of the lens for focusing and producing aqueous humor.