an aquatic animal requires great amounts of water to thrive & as the available water in an environment increases , the populations of organisms in that environment will increase ->  as water increases in an environment , the population of aquatic animals will increase  as water increases in an environment , the population of aquatic animals will increase & a salamander is a kind of aquatic animal ->  as water increases in an environment, the population of salamanders may increase  as the amount of water in a body of water increases , the water levels will increase especially at the edge of that body of water & when a body of water receives more water than it can hold , a flood occurs ->  a flood is a result of a large increase of water in a body of water  a flood is a result of a large increase of water in a body of water & a body of water is a part of some environments ->  a flood is a result of a large increase of water in an environment  as water increases in an environment, the population of salamanders may increase & a flood is a result of a large increase of water in an environment -> a flood may cause the population of salamander to increase in an environment