Desert and Tundra Both _______________

question 28

Multiple Choice

Desert and tundra both _______________

• A)have wide temperature variations throughout the year
• B)lack insects
• C)have relatively low precipitation
• D)lack shrubs
• E)have lithosols

---

Definitions:

Mood Disorders

A category of mental disorders involving persistent disturbance in mood, such as depression or bipolar disorder.

Neurotransmitters

Chemical messengers in the brain and nervous system that transmit signals between neurons or from neurons to muscles.

Hippocampus

A region of the brain that is associated with memory formation, learning, and emotions.

Predisposition

A natural inclination or tendency to behave in a particular way or to develop a certain condition.