Its the one with influenza that traveled to many different coultries
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.
Native shellfish populations have dramatically decreased as they are outcompeted by the crabs, causing a decrease in biodiversity.
One is that it allows for variation which allows better chance of survival and evolution.
