If You Were Studying Characteristics of the Class Osteichthyes,you Wouldn't

question 2

Multiple Choice

If you were studying characteristics of the class osteichthyes,you wouldn't need information on what?

• A)the swim bladder.
• B)a cartilaginous skeleton.
• C)fins supported by bony spikes.
• D)scales.
• E)the lateral line system.

---

Definitions:

Genitalia

The external and internal sex organs and structures that are involved in reproduction and sexual function.

Fetus

A prenatal human between the embryonic state and birth.

Ectoderm

The outermost layer of cells in the early embryo, giving rise to structures such as the skin, nails, and hair, as well as the nervous system.

Inner Cell Mass

A group of cells inside the early embryo that will eventually develop into the body of the organism.