Answer:
The theory of aging evolution
Explanation:
The theory of aging evolution seeks to investigate the reasons why living beings begin a degeneration process at a certain age, among the various theories proposed is that of <em>Peter Brian Medawar</em> proposed in 1952, who claimed that natural selection avoided these mutations malignant <em>during the reproductive stage</em> to avoid the reduction of the population, however once this stage concluded the selection allowed them to manifest themselves.
The answer is D
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Answer:
In stem cell transplants, stem cells replace cells damaged by chemotherapy or disease or serve as a way for the donor's immune system to fight some types of cancer and blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma. These transplants use adult stem cells or umbilical cord blood.Explanation:
water is stored in the atmosphere, on the surface of the earth, or underground. water storage areas are known as reservoirs.
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They all do
Birth Rate- Increase
Death Rate- Decrease
Immigration- Increase
Emigration- Decrease
Disease- Decrease
Competition- Decrease
Human Activity- Increase
Natural Disasters- Decrease