The most recently evolved structure in animals is the? by Sunday | Sep 12 | Biology JAMB | 0 comments A. hair B. cilium C. scale D. feather Correct Answer: Option A – hair Users Also Read These:The first terrestrial vertebrates evolved from?A colourless gas with a pungent smell is evolved…A rock sample was added to cold dilute HNO3. The gas…When concentrated H2SO4 is added to NaCI(s), the gas…The energy evolved when magnesium burns in air is in…