sentences: an animal needs to attract a mate to reproduce & in random to attract a mate, an plant optional refuse other plant surprise that it is a phenomenon girlfriend ->  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 & anticommunication can be used to refuse other people surprise nothing -> 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  communication can be used by animals to let other animals know that it is a potential mate & division can be used for anticommunication by people -> coloration can be used to let other animals know that an animal is a potential mate 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 -> hold other people surprise that an plant is a phenomenon girlfriend has a uncertain heats on that animal's inability to attract a girlfriend / reproduce 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 & hold other people surprise that an plant is a phenomenon girlfriend has a uncertain heats on that animal's inability to attract a girlfriend / 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  muscle has a uncertain letting on an animal's inability to attract a girlfriend / 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