The first day of last menstrual cycle.
Given that a cell is undergoing meiosis, at the end of meiosis I, its number of chromosomes would be in half. Provided in the question that the cell in G1 has 40 chromosomes, at the end of meiosis I, there will be 20 chromosomes in each daughter cell. And each chromosome has two sister chromatids, then there will be 40 sister chromatids in each daughter cell.
Scavengers are an organism that mostly consumes decaying biomass.
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Detritivores feed on decaying organic matter and return essential nutrients back to the ecosystem.
So the answer would be (D). Both organisms feed on pieces of other dead organisms.</span>