Well in order for chemical digestion to occur period, a enzyme is needed.
In the mouth this enzyme is amylase
Answer:
Evolution
Explanation:
Evolution – change over time. It is the process by which modern organisms have descended from ancient organisms. Current scientific facts, observations and hypotheses all combine to create current evolutionary theory – which is a well-supported, testable explanation of the biological diversity on Earth.
Answer:
B - In real world conditions
Makes the most sense.....
The principle is called CEPHALOCAUDAL PRINCIPLE.
This principle proposed that growth follow a particular pattern in which the head and the upper part of the body grow first before the growth proceeds to other part of the body.
