>>41328483
convergent evolution, en-word!
like this slug that looks like a fish because the fish shape is the best at swimming. or marsupial tigers look exactly like dogs despite being separated by millions of years, or how ostriches look like ornithomimid dinosaurs, or how ichthyosaur reptiles look like dolphins, or how triceratops chameleon looks like triceratops etc.
if the environmental pressure is the same the anatomy may adapt and converge to look the same, dna finds a way