Answer:
I think it is b
Explanation:
please tell me if this is wrong
Answer:
By looking at human embryo we can determine that it has a postanal tail.
Explanation:
Human embryo is a a process of life cycle that takes place after the fertilization. It takes 9 months for a human embryo to be fully developed. If we take a look at a human embryo, we will notice that it has a postanal tail.
Postanal tail is simply an extension of body. It is only during the embryonic stage that the postanal tail can be found. After the birth this feature cannot be found.
Can start a fire( rubbing to rocks together) and friction is used when you hit the brakes on a car( the pad pushes down on the tire). Good luck!
Liver cell does not have same kind of biochemical duties as nerve cell.different enzymes and genes are present in both.liver cell is hexagonal and nerve is elongated both have same genetic instructions but different biochemical composition
