18. Tapeworms attach to the dipestive lining of the host by means of their 19. I

Question

18. Tapeworms attach to the dipestive lining of the host by means of their 19. If you can't tell a squid from an octopus, count thei temacles Squids have 20. The only animal to have a closed circulabory system inclades the 21. If the adductor mascle of a scallop is relased, the shell will 22. In echinodenma, water enters the water vascular system theough the 23, Which of the following have green gland for the excretory system 24. Which of the following have tracheal sysem for the respiration 25. What is one of the major characteristics of the platyhelmensths Unit exam 2 1. Which of the following is a shared characteristic of all chordate? 2. Which one of the following has a two-chambered heant? 3. Which one of the following has a three chambered heart 4. All of the following are reptilian characteristics EXCEPT 5. The amniote egg first evolved in which of the following groups? 6. Which of the following stractures are possessed by birds only? 7. Bony fishes originally evolved in the Cambrian 8. Where would you find simple cuboidal epithelium? a) proglottids b) osculum )sty lctsd) scolex a) 12 b) 10 c) 16 d) s b) oyster )jellyfish di cahworm a) be closed b) be lost c)be opened d) none of these a) ring canal b) madreporite b) grasshoppers b) grasshoppers c) ampulac d) skin gills a) crabs c) bamacles )horseshoe crabs a) crabs c) bamacles ) horseshoe crabs a) radial symmetryb) cephalization c) no tissoes d) dornsal nerve coed c) notochord di vertcheral column c) Reptilia d)Aves c) Mammalia d) Aves a) hair b) skull a) Osteichthyes b) Amphibia a) Osteichthyes b) Amphibia a) ectothermy b) four-chambered heartc) amniote egg d) keratinized skin c) reptiles d) monotremes a) fish b) birds c) feathers d) mammary glands b) light bones a) a four-chambered heart a) marine environment b) directly from cephalochrodates c) freshwater environment d) in

Explanation / Answer

18. Scolex

19. 10

20. Earthworm

21. Be opened

22. Madreporite

23. Crabs

24. Grasshopper

25. Cephalization

1. Vertebral column

2. Fish, osteichthyes

3. Aves have three chambered heart

4..four chambered heart. Reptiles have 3 chambered heart.

5. Reptiles

6 light bones

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