Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
The best choice is D prokaryotes dont have a nucleus <span />
Answer:
Because photosynthesis makes Glucose and cellular respiration breaks down the glucose into Carbon Dioxide and H20 (Water). 5.0.
Explanation:
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope.