All organisms need energy to function. which cell organelle provides this energy?

nucleus

chloroplast

vesicle

ribosomes

Which level of consumer had access to the smallest apply of energy

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

Why does sexual reproduction result in more genetic variation in a species