Human ears have muscles responsible for ear movement, but they are nonfunctional in most humans, unlike in other primates. this is an example of which form of evolutionary evidence?

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

What factors contribute to the effect an environmental toxin has on the human body?

Across of blue x blue (both heterozygous) would result in