Avasectomy is a voluntary procedure in which males can sterilize themselves. the procedure involves cutting the vas deferens. how does this procedure sterilize the male?

by blocking sperm transport through the seminiferous tubules
by preventing sperm from entering into semen
by disabling the vas deferens, the organ in which sperm is produced
by preventing any ejaculate from being produced

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.