Achange in the frequency of a gene in a population over time due to entirely random factors is called

Ineed asap with this question as well organisms evolve, through the process of natural selection, in ways that enable them to live successfully in their environments. choose three biomes or aquatic ecosystems and describe how abiotic factors have influenced the organisms that live there

What controls activities within a eukaryotic cell?

How water is moving through the ecosystem ?