Answer:
The answer is:
A. An organism whose cells each contain a membrane-bound nucleus.
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The answer for this should be D
Answer AND Explanation:
Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.
Answer: The second answer because, the Earth's mantle is mainly a fluid, but sometimes a solid. It rises, but never sinks.
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Answer:
Explanation:
solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. Oxygen is released as a byproduct. In cellular respiration, oxygen is used to break down glucose, releasing chemical energy and heat in the process.
