Homo neanderthalensis, Homo Denisovanus.
The tundra biome has the least diversity of plant species. Due to the harsh cold environment, it's common to not see many plants.
<span>In order for a cell to become cancerous, oncogenes must be active and tumor suppressors inactive.
Oncogenes are genes which carry genetic material capable of inducing cancer. Tumor suppressors, on the other hand, function as a sort of "anti oncogene." In other words, tumor suppressors work to stop uncontrolled cellular growth and prevent cells from becoming cancerous. So if oncogenes are active and tumor suppressors are inactive, then there is nothing to prevent the cell from growing cancerous.</span>
Answer:
the Stratum Corneum
Explanation:
Definition most superficial layer; composed of 25-30 layers of flattened, dead keratinocytes constantly being shed and replaced
