I’m not sure but I think DNA
Answer:
they are the temperate zones
Explanation:
The epidermis is the outermost layer of skin and is app. .005-1.5mm thick. it is made up of several different types of cells with keratinocutes being the most abundant.
The dermis is the second layer of skin and is app. .3-3.0mm thick. And basically consists of connective tissue.
Energy flow is the amount of energy that moves through a food chain
chemical cycling is the flow of elements and compounds between living organisms and the physical environment
