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The study of the gross structure of biological entities, including organisms, tissues and cells.

29 votes
1 answer
4k views

Why do wasps have "wasp waists"? What's been optimized?

I photographed these (unidentified) wasps on a sunny but cool winter day in northern Taiwan because they were conspicuously hanging out on a hand railing and had much lighter coloring than I'd ever se …
uhoh's user avatar
  • 5,572
10 votes
1 answer
2k views

What kind of tree is this — why do its huge leaves change shape and "grow fingers"?

Edit 2: Confirmation that it's one tree! Surrounding trees on either side along the sidewalk are completely different, and the ones on the other side of the fence are short and have rounded but far s …
uhoh's user avatar
  • 5,572
7 votes
1 answer
350 views

Why exactly are the reflections of sunlight in this dragonfly's eye hexagonal?

I photographed a rather cooperative, large dragonfly today and after getting back to my desk and looking closer at the images I realized that the reflection of the Sun in its eyes produced large hexag …
uhoh's user avatar
  • 5,572
7 votes
2 answers
683 views

What are the three dots (eyes?) on the top of this wasp's head? What species might it be?

I photographed these (unidentified) wasps on a sunny but cool winter day in northern Taiwan because they were conspicuously hanging out on a hand railing and had much lighter coloring than I'd ever se …
uhoh's user avatar
  • 5,572