Homework no. 5. Kingdom Animalia For each description below, write in the blank
ID: 197651 • Letter: H
Question
Homework no. 5. Kingdom Animalia For each description below, write in the blank the letters beside all the animal phyla (top) to which it applies. A blank may correctly contain more than one leter, even many or all letters. Important hint: Once you get past the descriptors that are characteristic of all animals, then, as you proceed farther down the list of descriptors, you should sense the gencrally increasing levels of complexity and organization among the phyla, which is a major theme of animal taxonomy A. Porifera B. Cnidaria C. Platyhelminthes D. Nematoda E. Mollusca F. Annelida G. Arthropoda H Echinodermata L Chordata 1. eukaryotic 2. multicellular 3. cells lack cell walls 4. motile (in at least some life stages) 5. heterotrophic 6. store carbohydrates as glycogen 7. sexual reproduction 8. cell specialization level of organization 9. asymmetry 10. no embryonic germ layers 11. do not produce multicellular reproductive structures called gonads 12. produce multicellular reproductive structures called gonads 13. blastula 14. gastrula 15. tissue level of organization 16. diploblastic 17· radial symmetry 18. incomplete digestive system 19. organ level of organization 20, triploblastic 21. acoelomate 22. bilateral symmetry 23. pseudocoelomate 24. complete digestive system 25. coelomate 26. circulatory system 27. protostomes 28. deuterostomes 29. unsegmented (choose from among protostome and deuterostome phyla only) 30. segmented (choose from among protostome and deuterostome phyla only) HEExplanation / Answer
1- a b c d e f g h i
2. a to i
3. all a to i
4.c to i
5. c d
6 only i
7. d to i
8. a to d
9. a b c
10 a b c
11 a b
12 e to i
13.i
14 i
15 b to i
16b to d
17. e
18 a to g
19 i and h
20 i
21 a to c
22 d to i
23 d e f
24 i
25 h i
26 i
29 d
30 f
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