A species of nocturnal wild cats , whose eyes glow at night. , bat , fishing cat , Objects that emit their own light . , source of light , source of sound , A tool that the human can depend on to see in the dark . , glasses , night vision goggles , The structural adaptation that gives fishing cat an excellent night vision. , Mirror- like membrane , eye , Materials that allow light to pass through. , opaque , transparent , Material that we cannot see through it . , opaque , transparent , A type of surfaces that reflects light in different directions. , smooth , rough , A type of surface that reflects light in one direction with the same angle at which they strike the object. , smooth , rough , fireflies communicate with each other by producing a ….. inside their bodies that makes them light up . , sounds , chemical reactions , A group of fireflies can change their own ….. to match the flash pattern of another group to communicate. , flash pattern , sight , It is a pattern that has meaning. , pattern , code , It sends flash codes that tell sailors where they are . , code , lighthouse .

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