The early evolution of animals
The early evolution of animals
The early evolution of animals
SHOW LESS
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>The</strong> earliest metazoans<br />
• Life began ≈ 4 billion years ago<br />
• Metazoans evolved ≈ 600 myr<br />
(molecular data)<br />
• Timing <strong>of</strong> the origin <strong>of</strong><br />
metazoans is controversial<br />
• <strong>The</strong> “Cambrian explosion”<br />
at 530 mya was a seemingly<br />
rapid appearance <strong>of</strong> <strong>animals</strong>
Change language