Because as we evolve .....Some adaptation occurs according to the environment.....so the parts which are not right according to the environment and evolution become vestigial !!!
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Explanation: carbon dioxide is pulled from the air and converted in to food by plants animals and human beings need to get ride of carbon dioxide through a process called respiration. this process also reduces global warming. please mark me the brainliest
This organism should be classified under the kingdom animalia
Binocular vision. Binocular vision is vision with two eyes, and the main cue for depth perception associated with binocular vision is retinal disparity. ... The disparity (difference) between these two retinal images (retinal disparity) can be used as a cue for depth/distance.