Answer the following statements true (T) or false (F)

1. Overall brain size across mammals (e.g., an elephant vs. a bat) is a good predictor of behavioral complexity.
2. Cranial nerves are connected directly to the brain.
3. The somatic nervous system primarily regulates involuntary responses.
4. The sympathetic and parasympathetic divisions of the autonomic nervous system tend to have opposing actions on target organs.


1. FALSE
2. TRUE
3. FALSE
4. TRUE

Biology & Microbiology

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A great adaptive radiation of mammals began about ____ million years ago

a. 25 b. 65 c. 95 d. 125 e. 165

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Spherical bacteria are called ________

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Biology & Microbiology

A typical cell cycle consists of

a. mitosis and meiosis. b. G1, the S phase, and G2. c. prophase, metaphase, anaphase, and telophase. d. interphase, mitosis, and cytokinesis. e. meiosis and fertilization.

Biology & Microbiology