Discover fossil and genetic evidence proving snakes evolved from legged ancestors. Explore key fossils like Najash, scientific theories for limb loss, and modern vestigial structures in pythons.
True multicellular organism definition explained: Discover essential characteristics like cellular specialization, communication mechanisms, evolutionary advantages, and how they differ from colonial organisms.
Science settles the debate: Discover why the egg predates the chicken through evolutionary biology and the OC-17 eggshell protein. Genetics-backed explanation, FAQs, and evolutionary timeline.