Answer:
it is D I believe because...
Answer:
c. water ,...............
Well, natural variation provides the raw material for natural selection,which in turn leads to evolution
Answer:
Height
Explanation:
Characteristics that show continuous variation are influenced by both the genetic makeup and the environment. For example height is attained by a person is a function of both his genotype and his diet. He will only attain his maximum intellectual capacity if he is livng in an intellectually stimulating environment.
Carbohydrates- cellulose cell wall in plants, chitin exoskeleton & fungal cell wall
Lipids- cell membrane (phospholipids)
Protein- Fibrous ( skin, fingernails, horns, feathers)
Necleic acid- stores genetic info(dna)