say hello to very good fine whale Orcinus orca.
now look at friend orca’s skeleton. see any bones what don’t make sense?
look close. most of them nice bones you can see have purpose. they support, they fins, they teefers, et centera. but look real close. see ‘em there? hanging low after the ribs? what those?
this picture here is of very fine whale grandpa name Rhodocetus. you can see that whale grandpa is clearly lots like a whale! look at him teefers. look at him skull. compare to fine whale orca skull up top. see similars? similar shape, similar teefers, lotsa similars.
that right there is whale grandpa’s LEG. and his pelvis. see dark round place where femur goes? this whale had leg. but grandpa whale not so great at walking; grandpa whale good at swim! now this grandpa whale livin’ aboot 48-48 million years back, give or take.
then later, we get this grandma whale. she mighty fine grandma whale name Dorudon.
gramma whale Dorudon lived later, ‘bout 40-34 million years ago. her leggies were itty bitty! but they stil stuck out and could still move.
after Dorudon, whale leggies get smaller n smaller until they just itty bitty remnants. n before grampa whale Rhodocetus? other grampa n gramma whales leggies were bigger. so we can see over time that whale leggies get smaller n smaller because they weren’t useful under the water. we have loads n loads of whale skellies from all over the planet an’ through time. we can see whale friend go from having the useful leggies to having no leggies and i think that is very good evidence of the evolutions.
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