Answer:
The ATP and NADPH from light reaction serve as an energy source and reducing power respectively during the Calvin cycle, which is also called the dark phase of photosynthesis.
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During prophase<span>, chromatin forms into chromosomes, and the nuclear envelope breaks down.</span>
vasodilatation causes a decrease in blood preasure so the answer is (B)
Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence.