I think its B as A and C are definitely out
Answer:
The Burgess Shale of British Columbia is famous for its exceptional preservation of mid-Cambrian organisms. Around 40 other sites have been discovered of a similar age, with soft tissues preserved in a similar, though not identical, fashion.
Keratin is responsible for skin color. The more the melanin in the skin, the darker the skin color of the person. Collagen and keratin makes up nails and hairs. Elastin is a connective tissue that connects the epidermis and the dermis. The dermal papillae nourishes the root hairs.
it depends on the species DNA compared to another species to determine if the species are related or not. Like the human and the rhesus monkey they are closely related because all the genetic codes have the same DNA except one
Answer:
the digestive system
Explanation:
good luck with the rest of your quiz!
