EXAM_REVIEW_2_ANSWERS_for_STUDENT[1]

EXAM_REVIEW_2_ANSWERS_for_STUDENT[1] - S CI 240 R eview...

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SCI 240 Review Worksheet for Lecture Exam 2 True/False: 1. T Euglenophytes have 3 plasma membranes around their chloroplasts. 2. T Chlorophytes have 2 plasma membranes around their chloroplasts. 3. F The charophyte lineage is sister group to animals. 4. T Plants first appeared on land about 500 million years ago. 5. T All vascular plants have an embryo stage 6. T In gymnosperms, pollination happens at the micropyle. 7. T In angiosperms, pollination happens at the stigma. 8. T The pollen tube is haploid 9. F Asexual reproduction promotes genetic diversity 10. T Angiosperm ovules have two integuments but gymnosperm ovules have only one. 11. T There is no triploid structure in gymnosperms. 12. T Gymnosperms have no ovary. 13. F Fruit develops from the megagametophyte. 14. T Bryophytes require water for fertilization 15. F Ferns are heterothallic 16. T Mosses are homosporous 17. T The earliest vascular plants had functioning stomata 18. F All lycophyta are homosporous Matching II: Match the characteristics with the phyla of algae- there will be more than one characteristic per group. ____f__c__Stramenopile a. Floridiean starch b. Anterior whiplash flagella _i__a__g__Rhodophyta c. Alginic acid d. Chlorophyll a and b ___d__b___Chlorophytes e. paramylon f. fucoxanthin __e___h___Euglenophytes g. CaCO 3 in walls h. three chlorplast membranes i. single thylakoids not in stacks Temporal sequence (order each column separately): _4_Ovary _3_Micropyle _2 Stomata _1_Embryo _1_Plants adapted to dry conditions are favored _2_Seeds evolved _3_Age of gymnosperms _4_Pangea Multiple choice: 1. Land plants have better protected gametangia with more layers of cells than their predecessors. Of the characters below which does not define a better protected gametangia: a. pigmented protective layer b. waterproof barrier to inhibit water loss c. barrier that inhibits UV radiation d. barrier that keeps in important microbes e. embedded in parent tissue
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2. There were advantages to plants moving onto land. Which of the listed advantages is not one: a. more light available for photosynthesis b. facilitated gas exchange c. need for directional growth due to gravity d. higher concentration of minerals e. less competition for space 3. Green algae have features that are different than those found in land plants: a. phragmoplast b. glycolate oxidase c. closed spindle d. cuticle 4. The cycads share a character with the ferns, it is: a. they are both dioecious b. they are both evergreen c. they both have circinate vernation d. they both have compound leaves 5. Of the Gymnosperms, most phyla are dioecious. Which phyla below can have monoecious plants (there maybe more than one answer) a. Phylum Ginkgophyta b. Phylum Cycadophyta c. Phylum Gnetophyta d. Phylum Coniferophyta 6. Flowers that have species recognition molecules are using what kind of pre-zygotic isolating mechanism. a. temporal
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This note was uploaded on 09/23/2011 for the course SCI 240 taught by Professor Staff during the Spring '11 term at S.F. State.

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EXAM_REVIEW_2_ANSWERS_for_STUDENT[1] - S CI 240 R eview...

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