What do you know about energy and cells?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Were you able to observe the nucleolus in any of the cells if so which ones