WebJun 16, 2024 · Sea urchins are small, spiny and round echinoderms in the class Echinoidea. There are about 950 species of sea urchin that inhabit the oceans and every depth zone in all climates. They play a significant role in the ocean’s ecosystem, though they … WebHowever, in addition to the conserved germline functioning Nanos2, the green sea urchin appears to be an outlier in the echinoderm phyla with eight additional nanos genes. We …
Green sea urchin - Wikipedia
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