AP BIOLOGY

Detailed explanation-1: -Examples of these signals include gestures, facial expressions, body postures, and coloration. Gesture and posture are widely used visual signals. For instance, chimpanzees communicate a threat by raising their arms, slapping the ground, or staring directly at another chimpanzee.

Detailed explanation-2: -Animals generally communicate using four methods: visual, auditory, tactile and chemical. Some species rely more on one form of communication over another; however, they all various methods to show affection, ward off threats or attract a mate.

Detailed explanation-3: -If we closely observe an animal’s movements, we can figure out what they are feeling. Their body language reveals if they’re happy, scared, shy, confident, playful or stressed. Animals communicate in a variety of ways using their ears, eyes, mouth, tail, degree of muscle tension and posture.

Detailed explanation-4: -The nervous system and the endocrine system are the two main communication systems in an animal body.

Detailed explanation-5: -Dogs and wolves make use of body language, as do cats, monkeys and many other animals. The attitude of the tail when two wolves meet will indicate which of the two is the superior. The tail held between the legs is a submissive gesture while the tail raised confidently aloft donates dominance.