Cyanobacteria were very simple organisms and performed were an role in changing Earth's early atmosphere. They carried out photosynthesis to produce the materials they needed to grow. In this process, they release Oxygen which is needed to sustain life on Earth for Humans and other organisms.
Answer:
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.
Explanation:
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Well, different organisms require different things. A single celled bacteria does not need a lot at all compared to a plant or animal. One cell can support a bacrerium. An animal needs many cells to carry out the functions necessary for it to live.
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Quantitative and systemic data
