In current biology, fundamental research in developmental biology and evolutionary developmental biology is no longer driven by morphological comparisons between embryos, but more by molecular biology. This is partly because Haeckel's drawings were very inaccurate.
https://en.m.wikipedia.org/wiki/Embryo_drawing
nice post. thank you for explaining clevage. whole new light. haha
I had considered using different images in that section. ;)
Great post. I love how you thoughtfully bring out our connectedness to all living things. 5 kudos !
Nice job PJ. Keep it up!