Which layer of skin contains living cells, is vascularized, and lies directly above the hypodermis?
the stratum corneum
the dermis
the epidermis
the conjunctiva

Dermis.

Explanation:

The skin is the outer most protective layer that differ in structure and composition of the vertebrates. The main function of skin is the regualtion, sensation and protection of the organism.

The skin is divided into different layer : epidermis, basement membrane dermis,  and subcutaneous tissue. Only the dermis layer contains the living cells that are highly vascularized and present beneath the hypodermis. Dermis layer protect the body from the stress and strain.

Thus, the correct answer is option (2).

this is a good question! i'll do some research and come back when i have the answer!

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex