Agroup of small fish live in a lake with a uniformly light-brown sandy bottom. most of the fish are light brown, but about 10% are mottled. this fish species is often prey for large birds that live on the shore. a construction company dumps a load of gravel in the bottom of the lake, giving it a mottled appearance. which of these statements presents the most accurate prediction of what will happen to this fish population? see concept 22.2 (page)