Why do tadpoles and sperm cells look so much alike?

Tadpole

Why do tadpoles and sperm cells look so much alike?

Sperm

Why do tadpoles and sperm cells look so much alike?

Just a random thought...
0 0

Most Helpful Guys

  • Eh. It's really just a coincidence.

    Tadpoles, like most other vertebrates in the embryonic stages (including humans), have multicellular tailbone structures.

    Human sperm are very simplistic singular germ cells. They don't have 'tailbones'. They have flagella, which are basically just complexes of microtubules and protein that wiggle back and forth to give the gamete propulsion.

    Tail motion is quite different than flagellate motion. And obviously, the size difference is gargantuan.

  • Functionally they are very different but they face a lot of similar environmental pressures. Tadpoles and sperm are both products of mass quantity because many of them will not survive. They both must navigate an aquatic environment and both possess a flagellum that propels them forward.

    • I must say that I am impressed by your answer. I knew the answer. The thought just came to my mind. It was more of a rhetorical question. That being said, great answer and very well written. Great use of vocabulary. I like that.

    • Thanks. I try to give quality answers. Good question tho. I enjoy odd stuff like this.

    • AWESOME, ha ha loved that :)

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  • Because they have the same objective: swim in a liquid environment.

  • Born that way?