Why is it important to preserve fossils?

Fossils are used to determine how many meteors hit Earth.
Fossils are used to determine future climate.
Fossils provide evidence of the conditions of Earth a long time ago.
Fossils are used to help determine the age of the Sun.

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.