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:

Sudden Infant Death Syndrome

A mysterious and tragic condition where an apparently healthy infant dies unexpectedly, usually during sleep, and without a clear cause.

Medulla

A part of the brain stem that regulates vital and automatic functions such as breathing and the sleep-wake cycle.

Serotonin

A neurotransmitter that is involved in mood disorders such as depression.

Sudden Infant Death Syndrome

An unexplained death, usually during sleep, of a seemingly healthy baby less than a year old, also known as crib death.