Tree of life


Today’s NYT science section takes evo-devo as its topic. I had to look up the term, and only felt mild relief to find it’d been around less than ten years. (I think.) Still…. Evo-devo evolutionary development biologists look at how molecular and genetic changes put in motion a whole set of possibilities and take away another whole set.

So, here’s my contribution. Two thoughts….

Here’s an article on the bushy tree of life, and its many branches, a more technical explanation than what the venerable NYT offers. I provide it, not merely for the content, but also for the final subhead. My response: let me count the ways….

Second is the photo above, of a mature tree next to Lake Clara Meer. Its neighbor, disfigured by a streak of rot and a blob of uncontrolled growth (virus?), I noticed, has an orange dot at eye level. I’m guessing it’s slated for removal. So this oak will survive a little longer, offering its leaves to the sun-gods and its shade to the squirrels…and me. Another tree of life….