Indicate Whether the Characteristics Below Apply to the Endocrine System

question 17

Short Answer

Indicate whether the characteristics below apply to the endocrine system, the nervous system, or both by writing the appropriate letter in the blank using the following answer code:
a.Endocrine system
b.Nervous system
c.Endocrine and nervous systems
-Chemical messengers act at a long distance from their site of secretion

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Definitions:

Elaboration

The process of adding more information or detail to a concept, idea, or argument in order to enhance understanding or clarity.

Medusa

A jellyfish-like animal; a free-swimming, umbrella-shaped stage in the life cycle of certain cnidarians. Compare with polyp.

Planula

The free-swimming, ciliated larva form of certain cnidarians, such as jellyfish, before it settles on a surface and develops into a polyp.

Miracidium

A free-swimming larval stage in the life cycle of certain parasitic flukes, hatching from eggs and infecting the first intermediate host, typically a snail.