Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
A mutation can cause the organism to look different and function differently also.
I personally think it’s carbohydrates
Answer:
Un depredador y sus presas coevolucionan, el depredador se vuelve más eficiente en perseguir y matar a sus presas y las presas dearrollan nuevas defensas y formas de escape. La coevolución impone presiones selectivas. Éstas a su vez llevan a una carrera armamental de adaptaciones mutuas progresivas
Explanation: