Answer:
stratum corneum
Explanation:
Keratin is a structural protein that builds up hair, skin and nails.
The stratum corneum is the outer most layer of the epidermis that contains Keratinized cells. It serves as the primary protective barrier. Its thickness varies throughout the body .
The hair shaft is the part of the hair seen above the skin. Just like the stratum corneum , it is also made up of the protein keratin compacted and fused together.
Back in Darwin’s time, people thought that animals sources were a nonhuman ancestors.
Answer:
Your answer is <u>True</u>. :^)
Explanation:
Tundra is flat, barren-like land whereas a tropical rainforest is a vast, more complex environment. Due to this, tundra provides less habitats for organisms to live in than the rainforest. This means that a greater variety of species are able to co-exist in the rainforest than in tundra, so species diversity is greater.
