Answer:
Mutations in that organism, which can possibly lead to cancer (via mutations in the proto-oncogenes or tumor-suppressor genes)
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AP Bio
Cel Biology-101
The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
Answer:
Autotroph
Explanation:
The definition of an autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
