The earliest ancestors of about half of all extant animal phyla can be traced back to the explosion. see concept 32.2 (page 675)

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.

The part of the eye that closes and opens to let light in is .

Match each description to the level of organization