Answer:
all 37 trillion cell in the body originates from a single fertilized egg called a zygote. The zygote divides repeatedly to produce an embryo. These embryonic cells continue to divide, differentiating into all the cell types present in the body of all humans (and other mammals), from a new-born baby to an elderly adult.
Answer:Here is the Picture of Ameoba with labeling
Theory works but not every single time. and law is something found in nature
A- head
C- shoulder blade
D-biceps
