<span>A. Accept 3 electrons from another atom in an ionic bond.
</span>
a wildlife biologist who states that human expansion is destroying migration lands of birds
Answer is B) 1, 3, 2
Fish with craniums naturally preceded the evolution of sharks, since sharks have craniums. Sharks must have evolved from a cranium-wielding ancestor.
Sharks evolved about 450 million years ago, before land vertebrates (animals with spines and skeletal systems) even existed. Mammals evolved about 100 million years later.
Answer:
D) Expressed in the stomach, but not in the cells of the small intestine
Explanation:
