Midterm2_3pm - Midterm 2 3pm 1. All photoautotrophic...

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Midterm 2 – 3pm 1. All photoautotrophic eukaryotes a) Are multicellular b) Contain xylem c) Live on land d) Have stomata e) Contain chlorophyll a 2. Malaria is a devastating disease which kills over 1 million people annually, and primarily affects sub-Saharan Africa. The organism that causes malaria is called ______________________, and is a(n) ______________. a) Plasmodium falcipurum ; protist b) Anopheles gambiae (mosquito); insect c) Trypanosoma cruzi ; protist d) Tryponema pallidium ; bacterium e) Tryconympha ; protist 3. All of the following statements are true about the alternation of generations life-cycle EXCEPT: a) It is seen in green and brown algae b) It consists of a multicellular diploid phase and a multicellular haploid phase c) It requires both mitosis and meiosis d) It involves both spores and gametes e) It requires that spores develop into sporophytes and gametes develop into gametophytes 4. A biologist discovers a previously uncharacterized large, tropical plant. In order to identify it, she observes that the plant has antheridia and a dominant diploid phase, but requires water to complete its reproductive cycle. The biologist concludes that the plant: a) Must have xylem for structural support b) Must be heterosporous c) Is probably a member of the hornwort lineage d) Is probably a member of the cycad lineage e) None of the above
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Refer to the figure below to answer the following questions about the fern life cycle: 5. What is the structure represented by the letter D? a) Archegonium b) Sporangium c) Antheridium d) Gametophyte e) Sporophyte 6. What process is represented by the letter A? a) Mitosis b) Meiosis c) Fertilization d) Fission e) Double fertilization 7. Gametophytes are dominant in , and became dependent on the sporophyte in . a) Mosses; ferns b) Mosses and ferns; gymnosperms c) Mosses; angiosperms d) Mosses; gymnosperms e) Mosses, ferns, and gymnosperms; angiosperms A E D C G F B
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8. Which of the following statements about the plant vascular system is correct? a) A small fraction of the water taken up by a plant is lost through transpiration
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Midterm2_3pm - Midterm 2 3pm 1. All photoautotrophic...

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