Direct stimulation of the insulin-secreting cells of the pancreas by the autonomic nervous system is an example of control.
a, negative feedback
b. positive feedback
c. neural
d. substrate-level dependent

c. neural

Explanation:

Direct stimulation of the insulin-secreting cells of the pancreas by the autonomic nervous system is an example of neural control.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.