Evolutionary Significance of Cell Communication

my teacher stopped teaching and just told us to watch you, your a life saver

Thanks soo much! Only reason im getting back on track in my AP bio class

Thank you, our review guides revolve around your videos

Jesus loves you!

Same here, we watch like 3 vids a day in my class lol

🧬🧬🧬

my life story -_-

yay :D