UCF BIO 2 Exam 3 Questions With Correct Answers

UCF BIO 2 Exam 3 Questions With
Correct Answers

Bryophyte: - CORRECT ANSWER✔✔--closest relative on terrestrial
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plants (old)|




-nonvascular plant (lack xylem and phloem)
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-haploid gametophyte dominant lifecycle (1n)
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-water dependent for reproduction (sperm can swim to egg)
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-has thallus and rhizoids (must remain very small)
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-no tracheids (vascular tissue that transports water)
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-Ex. liverworts, moss, hornwarts
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seedless vascular plants: - CORRECT ANSWER✔✔--vascular: has xylem
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(transports water) and phloem (transport sugar)
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-sporophyte dominant life cycle (2n)| | | |




-lignin in cell wall
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-heterosporous
-water dependent for reproduction
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-no seeds, fruits, or flowers
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-Ex. ferns, horsetails
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, Gymnosperm: - CORRECT ANSWER✔✔--vascular, has xylem and phloem
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-naked seeds | |




-pollinated by wind (not by animals)
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-pollen cones |




-tracheids
- 2 sperms; one creates pollen tube and one fertilizes egg
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-Ex. Conifers, Cycads, Gingkophytes, Gnetophytes
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Angiosperm: - CORRECT ANSWER✔✔--closed seed
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-pollinated by wind insects and animals
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-vascular, seed plant | |




-produce flowers and fruit
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-Double fertilization, 1 sperm fuzes with egg; the other fuses with polar
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nuclei (creates endosperm)
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Monoecious: - CORRECT ANSWER✔✔-Perfect flowers that have carpels
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and stamens
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Dioecious: - CORRECT ANSWER✔✔-Imperfect flowers that have only
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carpels OR stamens
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