Answer:
sorry I don't know the answers
They are well at surviving because of their thick white coat. The white fur helps them blend in with the snow and ice. The polar bear also has a layer of fat under their skin so they can survive harsh temperatures.
abiotic factors.
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Answer: forgive me for not answering but where is the correlation between someone having a low level of melanin in their skin and being susceptible to herpes. Now that I’ve said that the best answer I can think of is epidermal dendritic cells.