It's the endocrine system. The endocrine system deals with hormones and glands, such as the pituary gland. Hope this helps!
The correct answer is Batesian. Animals that advertise their poisonous or dangerous qualities use a defense is called Batesian mimicry. Batesian is basically a mimicry form that a harmless species evolved into some warning for a harmful one directly on the predators.
I believe mutation will make a population have more genetic variation. Genetic variation describes naturally occurring genetic differences among individuals of the same species. It is the difference in DNA sequences between individuals within a population. Variation permits flexibility and survival of a population in the face of changing environmental circumstances. It is considered an advantage, as it is a form of preparation for the unexpected.
A. all stars and galaxies are moving closer together at the same rate
