A Blog Around The Clock

Excited by milky substances?

There are many organisms that one can extract milky substances from, but cactus is NOT one of those. Which is a simple and useful way to figure out if the needly thing in front of you is a cactus or something else….


  1. #1 Larry Ayers
    April 6, 2008

    I got a kick out of that post as well. It’s always good to be reminded of examples of convergent evolution!

The site is currently under maintenance. New comments have been disabled during this time, please check back soon.