Look around and you will start to realize how many inventions are inspired by nature. Airplanes that glide through the air use some of the same design features of a bird. Newly developed walking canes that help the visually impaired navigate obstacles use ultrasonic waves similar to echolocation: the use of sound to help direct movement, used by bats and dolphins. These are just a few examples of human innovation that use nature as a model. When humans copy what they see in nature, it is called biomimicry: bios means "life" and mimesis means "to imitate." The principle behind biomimicry is not simply to copy nature, but to look at the designs that we can see in nature and use those designs to help solve human problems. Which type of definition does this excerpt provide?

Ineed .. read the passage, and choose the two (2) inferences that are most firmly based on the given information. eye contact, also referred to as gaze, is how—and how much—we look at peoplewith whom we are communicating. eye contact has several purposes incommunication.its presence shows that we are paying attention. in addition, how we look at a person reveals a range of emotions such as affection, anger, or fear. moreover, intensity of eye contact may also be used to show dominance. for instance, we talk of someone “staring another person down.” finally, through ou reye contact we can check the effect of our communication. by maintaining our eye contact, we can tell when or whether people are paying attention to us, when people are involved in what we are saying, and what their feelings are about what we are saying. 1. eye contact can be a clue to what we feel and what our listeners feel. 2. our eyes are more important than our ears in effective communication. 3. eye contact can never reveal how much power one person has overanother. 4. sometimes a parent can control children just