I think the answer is C. lower pressure
natural selection light water and carbon dioxide
Answer:
CROSSING OVER is the exchange of segemetics of dna or genetic matierial between the members of the pairs of cromezones
Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
