Two species of fish had recently undergone sympatric speciation. the males of each species had a different coloring through which the females could identify and choose a partner from her own species. after some time, pollution made the lake so cloudy that it was hard for females to distinguish colors. what might take place in this situation?

Abnormal softening of a gland is known as

Talking listening and reacting non verbally are all part of communicating

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit