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Chapter 23 Name Date Class bk Once a seed forms from an ovule, a developing monocot plant get its nourishment from before green leaves appear A fruit B endosperm C cotyledon D ovary walls Use the diagram to answer questions 11 and 12. bn What is true of alternation of generations in the plant kingdom A Gametophytes become larger as plants become more complex. B Sporophytes become less important as plants become more complex. C Gametophytes become smaller as plants become more complex. D Sporophytes are more obvious in smaller plants. B A bo Why are conifers heterosporous A They produce two cones on a tree. B They produce megaspores. C They produce two types of spores. D They produce two zygotes that develop into male and female cones. bl Name and describe the importance of the structure labeled A. A pistil; where pollination occurs B anther; where pollen grains form C pistil; where fertilization takes place D anther; where ovaries are found bp A flower that has four sepals, four petals, and a pistil is a(n) . A complete, imperfect monocot B incomplete, perfect dicot C complete, perfect eudicot D incomplete, imperfect eudicot bm What is produced on structure B A eggs B pollen grains C two pollen tubes D endosperm Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 46 CHAPTER 23 STANDARDIZED TEST PRACTICE
Chapter 24 Name Date Class 1 Sponges are not plants because . A they are multicellular B they develop mesoderm C they are sessile D they have no cell walls 2 A previously unidentified organism is found in a tropical rain forest. It exhibits bilateral symmetry, heterotrophism, and has an exoskeleton. Would you classify this organism as a vertebrate A Yes. Bilateral symmetry and heterotrophism are unique to vertebrates. B Yes. Only vertebrates are found in tropical rain forests. C No. Exoskeletons are not found in vertebrates. D No. Vertebrates have radial symmetry. 5 A pseudocoelom is partly lined with tissue derived from the . A mesoderm B endoderm C ectoderm D coelom 6 Which would you expect to be more complex animals—coelomates or acoelomates A acoelomates, because they have less wasted space in their body structure B acoelomates, because they have more mesodermal tissue C coelomates, because they store more nutrient-rich fluid in their bodies D coelomates, because they have protected space for specialized organs in their bodies Use the illustration to answer questions 3 and 4. Use the illustration to answer questions 7 and 8. A Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 3 Which describes the body structure of Organism A A asymmetry B bilateral symmetry C radial symmetry D anterior symmetry 4 What is the surface labeled X in Animal B A anterior B dorsal C posterior D ventral 7 Identify the structure shown above. A blastula B gastrula C invertebrate D zygote 8 What is the layer labeled A in the structure above, and what are some systems that develop from it A ectoderm; nervous system and skin B mesoderm; muscle system C mesoderm; respiratory system D endoderm; digestive system STANDARDIZED TEST PRACTICE CHAPTER 24 47
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