BIO 112: Plants Exam with Questions & 100% Correct Answers
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Course
BIO 112
Institution
BIO 112
Characteristics of an angiosperm - Have flowers, produce fruit and seeds, have ovules enclosed
by an ovary
Angiosperm origins - - descended from
gymnosperms - arose during cretaceous period
Angiosperm habitats - - majority are terrestrial, some aquatic
- some, such as the Xerophytes are specia...
BIO 112: Plants Exam with Questions
& 100% Correct Answers
Characteristics of an angiosperm - ✔✔Have flowers, produce fruit and seeds, have ovules enclosed
by an ovary
Angiosperm origins - ✔✔- descended from
gymnosperms - arose during cretaceous period
Angiosperm habitats - ✔✔- majority are terrestrial, some aquatic
- some, such as the Xerophytes are specialized for super dry places
- some, such as the Halophytes specialize in withstanding high salt levels
- many, such as the Mesophytes like moist places
Evolutionary advantages of the angiosperm - ✔✔- successful reproduction
strategy - many ecological niches
, Angiosperms pollinate by - ✔✔wind, insects, birds, mammals
Flower mimicry - ✔✔Bee orchids; mimic the appearance and chemical scent of bees and wasps to
be pollinated
Self-pollination - ✔✔-Negatives: No mixing of genes
-Positives: no need for more than one member to be
present - Violets, Coralroot orchids
Flowers with both male and female structures present - ✔✔monoecious
dioecious angiosperms - ✔✔male flowers and female flowers on separate plants; ex. hollies
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