Some land animals, such as bears and kingfishers, eat animals that live in the water. In turn, some animals, such as crocodiles, that dwell primarily in water will eat animals that live on land. Also, many amphibians, such as frogs, and also some insects, start their life in the water, where they can prey and be preyed upon.
Bacteria living in a deep ocean vent I think
10^7 would be 69000000. You do this by moving the decimal by the number of powers on the 10.
