Biomimicry is human's attempt to "mimic" animals and nature in innovations/products so that they will be more efficient and sustainable
A gene is a hereditary trait in your body and also apart of your DNA not visible to the naked eye making up how you look
You answer would be D.) Genetic Engineering.
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I don’t know sorry but you can search on google or safari and see for icivics and it would help you
B. Because the environment can not supply for the food and caring of the animal species that is growing larger.