If evolution isn't true why do we see marine mammals moving their tails vertically and fish side to side? [Spirituality & Religion]

The side to side motion is much more efficient for swimming. Why do we see marine mammals moving their tails in the same way land mammals move their spine when running?

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SW-User

Maybe someday we will see jogging dolphins lol

MetalGreymon · 36-40, M

lol maybe.

xSharp · 31-35, M

a platypus is the only mammal that lays eggs, but it looks like a bird! 😰

MetalGreymon · 36-40, M

@xSharp: actually the echidna does too

xSharp · 31-35, M

@UnparalleledMonster: dont be silly, those only exist on sega licensed video games.

MetalGreymon · 36-40, M

@xSharp: lol right. i forgot