Spikes

Wait, wait, you have stated that cactuses are plants. But if so, why do they have spikes all over them? They live in a desert, they don't need to defend from anything. Aren't those spikes remnants of bird teeth that cacti possessed at some point of evolution - back ...

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Wait, wait, you have stated that cactuses are plants. But if so, why do they have spikes all over them? They live in a desert, they don't need to defend from anything. Aren't those spikes remnants of bird teeth that cacti possessed at some point of evolution - back ...

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... especially if it only takes place in the infected cells. I'll think this little further, but at least currently I'm guessing they're crystal spikes of some sort. If this really disturbs you, I might be able to show the pic (it's quite nice addition to your post!) and the question itself to ...

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... evolved from worms and im almost sure that they didnt! perhaps from isopods or something... But lets pretend they did alright so worms have small spikes on them correct? there rather rought and thats how they move, they stretch out and then they contract, the spikes being pointed away from the ...

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... i was thinking of other things eg: try not to blink or simpsons...do the parts of the brain in charge of that show up like as in bigger spikes...(research measured the time it takes for visual information to be transferred between the hemispheres.) yeah dumb question but oh well biology_06er

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