Cryptzoology is not considered a science, because some don't take it seriously, and scientists do not have a perfect explanation for it. So it is considered a psuedoscience.
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Explanation: Genetic engineers are highly trained experts who use a variety of molecular tools and technologies to rearrange fragments of DNA. It’s the direct manipulation of an organism's genes using biotechnology.
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English scientist Robert Hooke published Micrographia in 1665. In it, he illustrated the smallest complete parts of an organism, which he called cells. theory that all organisms are made of cells, which are the basic structural units of life
