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Subject: 
Biology
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Chemical bonding
Chemistry
Chemical bond
Valence electron
Ionic bonding
Proton
Hydrogen
electron
Chemical reaction
Covalent bond
ion
Neutron

Evolution is biology?s core theme that ties together all the other themes. Which of the following is not explained by the theory of evolution? a. The unity and diversity of life. b. How organisms become adapted to their environment through the differential reproductive success of varying individuals. c. Why distantly related organisms sometime resemble each other. d. How the first living cells were formed. e. How humans have descended from common ancestors shared with other primate species. Which of the following is necessary for cell survival? a. Reading of the DNA sequence to produce proteins. b. Response to environmental conditions. c. Obtain and process energy. d. Both A and C are true. e. All of the above are true.

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