Answer:
Bacterial communicable diseases
Explanation:
Hope it's right
Answer:
B)
Explanation:
Natural selection describes how organisms change, and adaptation explains why. Charles Darwin, theory.
The answer is G cells. Of the 4 general gastric cell types, G cells are classified as enteroendocrine cells. G cells primarily secrete gastrin, and work with gastric chief cells<span> and </span>parietal cells in order to regulate the acid levels in the stomach.