The cytoplasm is the peanut butter in a PB&J sandwich—it holds the sandwich (cell) together
<span>Without variation, there is no difference between members of a population to be "selected for" in the first place. This is a basic tenet of natural selection. A new trait must arise in order to advance or decrease the fitness of the individual, and hence, its ability to pass on its genes.</span>
Answer:
food chain
Explanation:
producers are consumed by herbivores, the herbivores are consumed by omnivores, omnivores are consumed by carnivores. the food web is more accurate though
Answer:
Energy Supply for Muscle Contraction. Energy for the release and movement of the myosin head along the actin filament comes from adenosine triphosphate (ATP). Recall from the sliding filament theory that the actin and myosin chains slide past one another. The binding of ATP allows the myosin heads to detach from actin
Explanation:
