brain is the organ which does play a role in mechanical or chemical digestion
Accio crab, Ancient otter, Skywalker gibbon Thats all I know anyways hope this helps
Basically certain traits are going to give a better outcome for the animal the white rabbits living on white snow are going to be able to survive better than the brown rabbit and the population of brown rabbits will be reflected through the graph
The answer is B. a nucleus.
Prokaryotic cells do not have a nucleus. They have ribosomes, a cell membrane, a cell wall, and DNA, but lack a nucleus. Prokaryotes also don't have mitochondria or chloroplasts and generally lack organelles.
