Given a scientific passage and an answer, generate a question for the given answer.
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Question: Passage: The population is an important unit in ecology as well as other biological sciences. How is a population defined, and what are the strengths and weaknesses of this definition? Are there some species that at certain times or places are not in populations?. Answer: cell division

Answer: During interphase, the cell undergoes normal growth processes while also preparing for what, by accumulating energy and building blocks of dna?

Question: Passage: Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell, as shown in Figure below . Exocytosis occurs when a cell produces substances for export, such as a protein, or when the cell is getting rid of a waste product or a toxin. Newly made membrane proteins and membrane lipids are moved to the plasma membrane by exocytosis. Answer: exocytosis

Answer: What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell?

Question: Passage: This tiny plant can use the energy of the sun to make its own food. You can't make food by just sitting in the sun. Plants are not the only organisms that can get energy from the sun, however. Some protists, such as algae, and some bacteria can also use the energy of the sun to make their own food. Answer: plants

Answer:
What is the main type of organism that gets its energy directly from the sun?