Answer:
1. Response
2. Interneurons
3. Motor neuron
4. Effector, anterior root, spinal cord
5. Anterior root
Food is the most important source of chemical energy for living things. The chemical energy in food is converted, or changed, by the body into moving mechanical energy and heat energy. People have invented ways to use the chemical energy of substances to power machines.
It’s true hope this is right
This question is pretty vague and confusing.
The correct answer is: "coevolution" .
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