B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
<span>This shows that, in most species, a characteristic is controlled by a suite of genes instead of having only one gene doing all the work. Polygenic traits are much more common than monogenic, which leads to an entire range of outcomes being possible, instead of having an either-or outcome.</span>
Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.
Explanation:
The way they talk and work together
