Which Neanderthal features are thought to be related to an adaptation to a particular type of climate, and what is that type of climate?

Would really appreciate it, i have an idea but not completely sure

Mattias scheiden and theodor schwann studied plant and aniaml cells under a microscope.together these men concluded that plants and aniamals are made up of cells, which scientist furthered their study to complete our mordern cell theory

What is the primary function of dna polymerase i in bacterial cells?