biostp.2

Recommendations

Info

Chapter 24 Name Date Class 9 At the beach you are stung by a jellyfish. In the diagram below, what is the structure labeled A on the cnidarian tentacle that holds a tube that contains poison bm You observe the formation of an embryo of an unknown species under the microscope. The first body opening develops into a mouth in the gastrula. What does this signify A The animal is a deuterostome. B The animal is a protostome. C The animal will be an acoelomate. D The animal will have a pseudocoelom. A cnidocyte B collar cell C nematocyst D trigger bk In jellyfishes, the medusa is the sexually reproducing phase because it . A produces cnidocytes B reproduces by mitosis C produces eggs and sperm D produces polyps bl The body plan shown in the structure below is a(n) . A coelomate body plan B pseudocoelomate body plan C acoelomate body plan D eukaryotic body plan bn A cnidarian nervous system is called a nerve net. When touched, a cnidarian responds by contracting its body. Is this response regulated by the cnidarian’s brain A Yes. All nerve impulses are transmitted through the brain. B Yes. The brain controls the nerve net C No. The cnidarian’s brain is not involved in reflexive actions. D No. Cnidarians do not have brains. bo Which do sponge embryos lack because they do not develop an endoderm or a mesoderm A epithelial-like cells B tissues C filter-feeding mechanisms D support structure bp When fertilization occurs externally, . A a zygote forms B budding takes place C parthenogenesis takes place D segmentation takes place Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 48 CHAPTER 24 STANDARDIZED TEST PRACTICE
Chapter 25 Name Date Class Use the illustration below to answer questions 1 and 2. 4 Which method of asexual reproduction is the planarian in this figure undergoing Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 1 What is the structure labeled A A pharynx B ganglion C flame cell D mantle 2 How does the structure labeled A function in a planarian A Dissolved oxygen and nutrients are swept into the body by diffusion. B Cilia sweep water into excretory tubules. C Cilia sweep water out of the body. D Carbon dioxide is excreted by them through the mouth. 3 When comparing roundworms and flatworms, which is true A Flatworms have no blood; roundworms do. B Flatworms have a dorsal foot; roundworms do not. C Flatworms have one body opening; roundworms have two. D Flatworms have no nervous system; roundworms have a nervous system. A binary fission B budding C regeneration D spore formation 5 You are a coroner examining human remains. You detect a parasite. On closer examination, you determine that the parasite has bilateral symmetry and a pseudocoelom. You determine that the parasite is a . A cnidarian B planarian C tapeworm D roundworm 6 Your fish tank has a growth of green algae on the inside. You put a snail in the tank and a few days later notice that the tank is clean. The snail helped clean the tank by using its . A radula B shell C muscular foot D siphon STANDARDIZED TEST PRACTICE CHAPTER 25 49
Page 1 and 2:
STUDENT EDITION Contents and Featur
Page 3 and 4: Contents TO THE STUDENT . . . . . .
Page 5 and 6: National Science Content Standards
Page 7 and 8: Chapter 1 Name Date Class 1 A group
Page 9 and 10: Chapter 2 Name Date Class 1 Ecology
Page 11 and 12: Chapter 3 Name Date Class 1 Before
Page 13 and 14: Chapter 4 Name Date Class 1 A new s
Page 15 and 16: Chapter 5 Name Date Class 1 You are
Page 17 and 18: Chapter 6 Name Date Class 1 Which d
Page 19 and 20: Chapter 7 Name Date Class 1 Which s
Page 21 and 22: Chapter 8 Name Date Class 1 The pro
Page 23 and 24: Chapter 9 Name Date Class Use the d
Page 25 and 26: Chapter 10 Name Date Class 1 During
Page 27 and 28: Chapter 11 Name Date Class Copyrigh
Page 29 and 30: Chapter 12 Name Date Class 1 A mole
Page 31 and 32: Chapter 13 Name Date Class 1 In ord
Page 33 and 34: Chapter 14 Name Date Class 1 A scie
Page 37 and 38: Chapter 16 Name Date Class 1 What a
Page 41 and 42: Chapter 18 Name Date Class 1 What i
Page 43 and 44: Chapter 19 Name Date Class 1 Which
Page 45 and 46: Chapter 20 Name Date Class 1 In con
Page 49 and 50: Chapter 22 Name Date Class Use the
Page 51 and 52: Chapter 23 Name Date Class 1 The fa
Page 53: Chapter 24 Name Date Class 1 Sponge
Page 59 and 60: Chapter 27 Name Date Class 1 Echino
Page 61 and 62: Chapter 28 Name Date Class 1 During
Page 63 and 64: Chapter 29 Name Date Class 1 Why wa
Page 67 and 68: Chapter 31 Name Date Class 1 Change
Page 69 and 70: Chapter 32 Name Date Class 1 Identi
Page 75 and 76: Chapter 35 Name Date Class Use the
Page 77 and 78: Chapter 36 Name Date Class 1 In whi
Page 79 and 80: Chapter 37 Name Date Class 1 Rules
Page 81: glencoe.com ISBN: 978-0-07-879935-8
show all

biostp.2

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?