Plants have cells that contain chloroplasts. why must their cells also contain mitochondria as well?

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

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.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?