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Answer:
What impact does a decrease in pH have on urchins?
Decrease in pH simply means high degree of acidity which affects every living organism. The impact of high acidity affects there food intake, development of their young ones (juvenile)
Explanation:
The 3 phases of interphase can be broken down into the first growth phase of the cell - G1 phase. Then the S phase, where DNA replication and or DNA synthesis occurs to duplicate the number of chromosomes in the cell. Followed by the G2 phase, an additional growth phase and where specific protein come into play along with organelle and cellular component duplication.
D is the answer to the question