<span>Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release</span>. Acetylcholine is released if the synapse happens in the sympathetic ganglion, if the synapse is in post-ganglionic neuron, norepinephrine is released.
Answer:I believe it would be A, since that males have two sex-linked genes(which also causes a baby to be either male or female) they have a higher chance of getting a genetic disorder.
Explanation: the male and females sex organs are different
Answer: The answer is natural selection
Explanation:
Natural selection explains how certain desirable traits like;
- shape of the beaks of Darwin's finches: to help them feed more easily
- industrial melanism to raise a population of dark-coloured organisms to evolve from pre-existing light coloured ones in industrial areas where the surrondings are blackened with soot;
are favored over LESS DESIRABLE TRAITS, resulting in organisms that are most suited/adapted to thrive in an environment, which is evolutionary change
When a factory is emitting large
amounts of CFCs into the atmosphere, it affects the people in that area by the increase
in the level of ocean water. CFCs dissolve in seawater and because they are not
reactive, they just circulate until it becomes saturated.