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In the sympathetic division of the ANS, preganglionic neurons are long and ganglionic neurons are short.

Caecilians, aphisbaenid (worm) lizards, glass lizards, and snakes all have what in common:

The supergroup that includes amoeba, fungi, and animals is:

Identify the structures for the flower below:   

You are trying to identify an organism. It is multicellular and has neurons and muscle tissue, and definitely has vertebrae and a bony endoskeleton. It has a long and cylindrical shaped body that lacks legs.  It has smooth moist skin, small eyes and no ears.  It lives in moist tropical environments in shallow areas of water.  This organism is a/an:    

Which of these would result from a stabilizing selection pattern:

A certain unicellular eukaryote has cellulose based plates/shell, a pair of whiplike flagella, may be photosynthetic or heterotrophic, and population ‘blooms’ cause fish and shellfish and other animals to die from their toxins: to which group does it belong?

Heat pits and Jacobson’s organs are found in what kind of vertebrate: 

Which of the following describes an example of possible sympatric speciation:

Viviparity of some type occurs in at least some members of which of the following vertebrate groups: