The best and most correct answer among the choices provided by the question is the third choice "jellyfish and corals"
<span>Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are predominantly marine species. Their distinguishing feature is cnidocytes, specialized cells that they use mainly for capturing prey.</span>
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Answer:
no it is a chemical that we drnik
Explanation:
C...the key is that they are photosynthetic...so they produce oxygen (like plants)!
C. <span>The duodenum is a separate anatomic structure. It is the first part of the small intestine after the stomach. </span>
Idk? I can’t see a picture to let me know if they do or not