🐾4️⃣🌳

#tetrapods #four limbs #vertebrate evolution #evolutionary biology #biology 4

🌱🌳🌲📈🐾

#devonian period #first forests #land plants #plant evolution #tetrapods #paleobotany #paleozoic era #greening of earth

🐠➡️(🐟🐡...)➖🐸

#tetrapods #common ancestor #descendant exclusion #lobe-finned fish #vertebrate evolution #paraphyletic group