When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. This would make the answer be.... A. a chemical signal is released
<span>Animalia -</span><span> Mammals, amphibians, reptiles, birds, fish, mollusks, and insects
are all included in this kingdom.</span>
D) that continents have moved over time as the tectonic plates they are on move.
The correct answer is C incomplete dominance, because the pink flowers represent a third phenotype. Incomplete dominance<span> is a form of intermediate inheritance in which one allele for a specific trait is not completely expressed over the other allele which results in the formation of a third phenotype, which in this case is the pink flowers:)</span>