Explain how both mitosis and meiosis play in role of reproduction

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Abnormal softening of a gland is known as

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.