'''[[Comparative_Genomics|Comparative Genomics]]''' (how we can compare life using genomes):&nbsp;[https://www.youtube.com/watch?v=Irs65GAu1YM What is Comparative Genomics? - YouTube]<br/> &nbsp; *&nbsp;[https://www.youtube.com/watch?v=U5CHfCIOPGI Perspectives in Comparative Genomics and Evolution - YouTube]<br/> &nbsp; *&nbsp;[https://www.youtube.com/watch?v=FgakZw6K1QQ Principal Component Analysis (PCA), Step-by-Step - YouTube]