Answer is <span>accumulation of mutations in the mtDNA.
Hope this is correct
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The contractile vacuole expels water out of the cell by contrasting.
The equator receives about the same amount of sunlight all year long.
Answer:
The fossils that are found in the present day includes both heterotrophs and autotrophs. Those organism that can prepare their own food in the presence of sunlight, water and carbon dioxide, by the process of photosynthesis are considered as the autotrophs
For many common cancers, such as breast cancer, bowel cancer and prostate cancer, radiation therapy is highly effective in reducing the risk of cancer recurrence after surgery or helping the surgery be more successful.