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How is the nervous system of a flatworm more complex than the sensory cells and nerve net of a Cnidaria?
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What is the adaptive advantage of a nervous system to a free-living flatworm?
1. The nervous system allows a free-living flatworm to respond to stimuli in its environment. The eyespots in the nervous system can detect the presence or absence of light and the sensory cell can detect chemicals and movement in water. These adaptions are necessary to the primary environments of flatworms.
What is the adaptive advantage of a nervous system for a free living flatworm?
1. The nervous system allows a free-living flatworm to respond to stimuli in its environment. The eyespots in the nervous system can detect the presence or absence of light and the sensory cell can detect chemicals and movement in water. These adaptions are necessary to the primary environments of flatworms.
What is the major difference between simple and complex nervous systems?
simple-> doesnt coordinate activities unless there is a ganglia complex -> has a true brain with sensory structure that coordinates acitivties efficiently
What system comprises the sensory and motor neurons?
The peripheral nervous system comprises the sensory and motor neurons.
What is the sensory do in your nervous system?
Sensory nerves are part of the peripheral nervous system. This is also called the PNS for short. Sensory nerves work in conjuction with the senses, to receive and transmit signals and impulses from the sensory organs.
Sensory information for the body is interpreted by the?
nervous system
Which component of the nervous system makes contact with the environment?
The somatic nervous system of the peripheral nervous system (PNS) makes contact with the enviroment.
What division of the peripheral nervous system does the autonomic nervous system belong?
sensory
What body system stimulates muscles to contract and interprets information from sensory organs?
The nervous system which also interprets information from sensory units
What are two parts of the peripheral nervous system?
sensory neurons and motor neurons
Does the peripheral nervous system have sensory nerve cells and motor nerve cells.?
Yes, the peripheral nervous system has both sensory and motor nerve cells
What is the name of the neurone that carries impulses to the central nervous system?
A sensory neurone.
