Answer:
The preserved animal tracks should be stored with mold and should be traced, and any missing layers should be kept and be stored hard.
Explanation:
Answer:
are heterotrophs.
Explanation: This means they eat things outside of themselves instead of producing their own food.
The correct option is D.
Parietal cells are the epithelial cells which secrete hydrochloric acid and intrinsic factors. The cells are located in the gastric glands which are found in the linings of the walls of the stomach. The hydrochloric acid produced by the parietal cells helps in the conversion of the enzyme pepsinogen to pepsin during the digestion process.
