What do all living things need? a. energy, water, sunshine, protection b. food, water, air, a place to live c. oxygen, outer covering, parents, vitamins d. water, parents, a place to live, air

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

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.