It’s A an generation that’s the only one that makes sense because evolution is a change over time too
Bacteria perform important functions in the soil, decomposing organic residues from enzymes released into the soil. Each functional bacteria group plays a role in recycling soil nutrients.
Cuz they combine during fertilization and since 2 halves = 1 whole, u get gametes w a full number of chromosomes
The answer is "because water is produced as a by-product"...the word dehydration should also be a major clue because that means water loss.