Answer:
The answer is A Saprobic
Explanation:
The decomposers are called Saprotoph, they feed on the remains of dead organic matter.
In living things hydrolysis reaction result in the formation amino acids, glucose or fatty acids from their polymers by addition of water.
Forexample
Complex carbohydrates are broken down into simple glucose units when water is added to them.
Both watershed and drainage basin
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.