Can we see tissue-level organisms?

Coelenterates have tissue level of organisation. Coelenterates, generally include the organisms of the Phylum Cnidaria and Ctenophora. Cnidaria includes- Jelly Fish[1], Anemones[2], Hydras[3], Corals[4]. Ctenophora includes- Tentaculata[5], Scleroctenophora[6], Nuda[7] . Thank You. read more

Yes. The cnidarians are the last remaining animal forms with only a cellular matrix and tissue level organization. These include sea anemones which are individual organisms and corals, which are colonial. read more

Metabolic pathways ___. A.control the flow of energy. B.control enzyme activity. C.can be linear or branched out. D.all the above. read more