Answer:
Melanin is responsible for black colour of hair.
Explanation:
Hair is black in colour because it is determined by the amount of a pigment present in hair is called melanin. If eumelanin which is a type of melanin, present in hair, it gives people black or brown hair. If the receptor is not activated or is blocked in the hair, then melanocytes make pheomelanin instead of eumelanin and then the black or brown hair colour did not occurs so we can conclude that melanin is responsible for black colour of hair.
Answer:
13.force.
14.a golf ball
15.people in a car move forward in their seats when the car stops quickly.
16.an unbalanced force.
17.A baseball falls at a faster and faster speed.
18.Newton
Explanation:
pls mark as brainliest
Answer:
D competition for resources
Explanation:
Answer:
I. evolved from ancestors that walked
Explanation:
Whales and pythons have vestigial structures, which are structures (hind legs) which are no longer useful to them since they have evolved. The ancestors of the whale and python did use the hind legs but over generations the whale and snake have adapted to new environments and they no longer need them.
Any invidual of the genus homo especially a member of the specis homo sapeins