an animal needs to attract a mate to reproduce & in order to attract a mate, an animal must let other animal know that it is a potential mate ->  an animal needs to let other animals know that it is a potential mate to reproduce  an animal needs to let other animals know that it is a potential mate to reproduce & communication can be used to let other animals know things ->  communication can be used by animals to let other animals know that it is a potential mate  communication can be used by animals to let other animals know that it is a potential mate & coloration can be used for communication by animals ->  coloration can be used to let other animals know that an animal is a potential mate  an animal needs to attract a mate to reproduce & in order to attract a mate, an animal must let other animal know that it is a potential mate ->  letting other animals know that an animal is a potential mate has a positive impact on that animal's ability to attract a mate / reproduce  coloration can be used to let other animals know that an animal is a potential mate & letting other animals know that an animal is a potential mate has a positive impact on that animal's ability to attract a mate / reproduce ->  coloration has a positive impact on an animal's ability to attract a mate / reproduce  coloration has a positive impact on an animal's ability to attract a mate / reproduce & an adaptation has a positive impact on an animal 's ability to reproduce -> coloration is a kind of adaptation for attracting a mate / reproduction