What will most likely happen to this ecosystem if the swordfish are killed by a virus? and why? a. it will be harder for sardines to survive. b. the shark population will decrease. c. the sardine population will decrease. d. it will be easier for sharks to find food.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

How do you date a sample of rock that you suspect as being one of the earliest on earth

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?