Outside the CNS, groups of neuronal cell bodies that are clustered together to perform basic functions are known as

A. nerve nets.
B. ganglia.
C. nerves.
D. spinal cords.
E. somata.


B. ganglia.

Biology & Microbiology

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Legless caecilians belong to which of the following lineages?

a. Caudata b. Aves c. Squamata d. Gymnophiona e. Anura

Biology & Microbiology

A bottle of perfume is opened on the opposite side of the room and within minutes you begin to smell

the perfume. This phenomenon is a classic example of: a. dialysis. b. osmosis. c. active transport. d. facilitated diffusion. e. simple diffusio

Biology & Microbiology

In the last lab, you used the PHYLIP program to create unrooted phylogenetic trees. Why was it important to "root" the phylogenetic tree after you created it?

A. Unrooted trees are not necessary to the organisms you are trying to study B. In the unrooted trees the outgroup might not branch off prior to the common ancestor of the organisms under study C. In the unrooted trees the outgroup is not connected to the rest of the tree by a common ancestor D. Unrooted trees do not follow the Law of Parsimony

Biology & Microbiology

Which of the following living reptiles care for their young and have a four-chambered heart, as birds do?

A. Tuataras B. Crocodiles C. Snakes D. Turtles E. Lizards

Biology & Microbiology