What kind of creature is a sea urchin?
Sea squirts are classified as chordates like humans.
But what is strange is the fact that sea squirts that we usually see do not have a chock.
The reason is that the notochord of sea squirts only exists in the larval stage.
Unlike what we usually see, sea squirts swim like tadpoles when they are young.
Then, when it is attached to a suitable place, metamorphosis occurs rapidly, and at this time, almost all of the characteristics of the chordates disappear.
In this video, I prepared the appearance of sea urchin that you did not know.
Have fun watching!
#sea squirt #anatomy #experiment
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