Q1. A virgin pine forest covers a valley, and one of the inhabitants is a red squirrel species. A large volcanic eruption occurs and separates valley with a huge lava flow that the squirrels cannot cross, thus producing two isolated populations of squirrels. What modify needs to occur for the two populations of squirrels to become separate species?
Q2. Lucy had both her left ovary and her right uterine tube removed surgically at age 17 for the reason that of a cyst and a tumour in these organs. Currently, at age 32, she remains healthy and is expecting her second child. How might Lucy conceive a child with just one ovary and one uterine tube, widely separated on opposite sides of the pelvis like this?