Chapter 22 HW - Biology Honors Prentice Hall Textbook by...

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Biology Honors Prentice Hall Textbook by Miller/Levine Chapter 22 HW #1 Bio H 2/1/10 Period 2 1. B 2. B 3. D 4. C 5. D 6. B 7. A 8. D 9. B 10. C 11. Alternation of generations is when life cycles (in plants and other organisms) have two alternating phases, a diploid phase and a haploid phase. The diploid phase is known as the sporophyte, and the haploid phase is known as the gametophyte. 12. Multicellular green algae and plants have similar DNA sequences, reproductive cycles, identical cell walls and photosynthetic pigments, and physical resemblances. Therefore, plants evolved from groups of green algae. 13. Three important features which botantists use to separate the plant kingdom are water- conducting tissues, seeds, and fowers. Water-conducting tissues refer to ferns and their relatives, seeds refer to cone-bearing plants, and flowers refer to the most abundant flowering plants. 14. Byrophytes use osmosis to draw up water, usually only a few centimeters, above their body for reproduction. 15. During the life cycle of a moss, fertilization requires water. The sperm of a bryophyte must swim to an egg during reproduction. Because of this dependence on water for
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Chapter 22 HW - Biology Honors Prentice Hall Textbook by...

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