In the last 600 million years, the number of species

600 מיליון שנה.. עלה, ירד, מלא דברים קרו..

GPT explains (level =C2; CEFR aligned): Species counts over the last 600 Myr Palaeodiversity has behaved less like a polite exponential curve and more like a heart-rate monitor on espresso: adaptive radiations inflate the ledger, bolide impacts and anoxic oceans promptly shred it, and climate oscillations keep resetting the clock. So yes—­both increased and decreased is the sophisticated way of admitting that nature has been running a 600-million-year yo-yo experiment we still struggle to graph without disclaimers. 😶‍🌫️