Which of the following is not part of a nucleotide in a dna molecule

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called