Which organism is acoelomate ? polychaeta flatworm ribbon worm mollusk Hard cora
ID: 226503 • Letter: W
Question
Which organism is acoelomate ? polychaeta flatworm ribbon worm mollusk Hard corals are in the Order Sclerostin. Zooxanthellae are microscopic amoeba found in some corals. Bleaching occurs when algal symbionts leave their coral host. Neosporin is good to use if you get stung by a jelly fish. Annelids are an example of an organism with segmentation Gemmules are used for reproduction by freshwater sponges. The evolution of fast movement required the development of bilateral symmetry and cephalization.Explanation / Answer
Answer 93: b. flatworm (Explained as below)
Flatworms belong to Phylum Acoelomorpha and are acoelomate.
Answer 94: TRUE (Explained as below)
Inlcuded in Order Scleractinia is the Phyllum Cnidaria which comprises of sea animals that have a hard skeleton.
Answer 95: TRUE. (Explained as below)
Zooxanthellae are eukaryotic organisms found in corals.
Answer 96: TRUE (Explained as below)
Increased temperatures cause algae symbionts to leave their coral host and cause bleaching.
Answer 97: TRUE (Explained as below)
Neosporin helps desist secondary bacterial infections due to the sting wound.
Answer 98: TRUE (Explained as below)
Body segment in Annelids is divided into somites (segments) by the septa (wall).
Answer 99: TRUE (Explained as below)
Sponges reproduce asexually by budding and gemmules (embryonic cells that remain dormant until favorable conditions are available for reproduction).
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