Which of the following are not found in sponges? A. oscula. B Spongocoels. C. Cn

Question

Which of the following are not found in sponges? A. oscula. B Spongocoels. C. Cnidocytes. D. Spicules. E. Amoebocytes. A radially symmetrical animal that has embryonic germ layers belongs to which phylum? A. Porifera (Parazoa). B. Cnidaria. C. platyhelminthes. D. Ashclminthes. E. Echinodermata. Which class of the Phylum Cnideria occurs as only a polyp? A- Hydrozoa B. Scyphozoa. C. Anthozoa D. Only A and C are correct. E. A, B, and C are correct. All of these characteristics are found in the Phylum porifera EXCEPT A. Choanocytes. B. Nematocysts. C. Nerves. D. Flame cells. E. B, C and D Pores on the leaf surface that function in gas exchange are called. A. hairs. B. xylem cells. C. phloem D. stomata E. sclereid Organisms in which a circulating body fluid is distinct from the fluid that directly surrounds the body's cells are likely to have: A. An open circulatory system B. A closed circulatory system C. A gastrovascular cavity D. Gills

Explanation / Answer

67. Cnidocytes are not found in sponges

68 Cnidaria

69 B

70 E

71 D

72 B

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