A cotyledon is
A) the first leaf structure to arise in the embryo of an angiosperm.
B) a spore-like structure used for reproduction in plants.
C) the fruit produced by flowers of angiosperms.
D) a tissue fragment of tissue used for reproduction in bryophytes.
E) the zygote formed in ferns from the union of two gametes.
Correct Answer:
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Q19: Plants and algae most recently shared a
Q20: The parts of the plant that allow
Q21: As in animals,since plants have two haploid
Q23: The term "gymnosperm" literally means
A)"clothed ovule."
B)"naked seed."
C)"naked
Q23: All land plants have a cuticle.
Q26: In alternation of generations,a diploid sporophyte goes
Q26: Horsetails and club mosses are seedless vascular
Q27: In alternation of generations,a haploid gametophyte goes
Q35: Cycads are
A) trees that produce flowers.
B) bryophytes.
C)
Q36: Gymnosperms are less successful than ferns because
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