💥➡️🐙🐚🐛

#cambrian explosion #sudden appearance #animal evolution #invertebrate origins #life diversification #Ediacaran-Cambrian transition

🦴🐾➡️🧬

#vertebrates #backbone #internal skeleton #chordates #animal evolution #biological classification #animal characteristics

🐾+🌍+🧬

#animal evolution #global fauna #life science #animal genetics #biological study

🐺➡️⏳➡️🐕

#wolf to dog #animal evolution #selective breeding #taming process #animal husbandry

🧽➡️🐟➡️🐒

#animal evolution #multicellular life #animal kingdom origin #basal metazoans

🧬🐒➡️🚶‍♂️

#animal evolution #anthropogenesis #animal lineage #from animal to man