Answer:
No, there's no reason at all. mitosis can occur in any type of cell. The fundamental purpose of mitosis is to create identical cells. So, depending on the organism like plants or protist mitosis could even be involved in the production of gametes. In animals mitosis is a cell division that is mostly used for growth or tissue repair.
Answer:
To support or refute a hypothesis, the scientist must collect data. A great deal of logic and effort goes into designing tests to collect data so the data can answer scientific questions. Data is usually collected by experiment or observation. ... Written descriptions are qualitative data based on observations.
C. Upward; downward. As the hot rock rises, cooler rock flows downward to take its place next to the core, where it is heated and becomes buoyant enough to rise again later
1) Plants and plankton use carbon in the atmosphere for photosynthesis (CO2 + H2O -> C6H12O8 + O2).
2) Animals eat the plankton and plants, or decomposers/detritivores break down decaying plant material. This releases carbon back into the atmosphere via cellular respiration.
3) Dead organisms are buried and become fossil fuels, burned for fuel because of its carbon content (this returns carbon to the atmosphere)