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BIO 112: Plants Exam with Questions & 100% Correct Answers $12.99   Add to cart

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BIO 112: Plants Exam with Questions & 100% Correct Answers

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  • BIO 112
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  • 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...

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  • August 29, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 112
  • BIO 112
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KenAli
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



Insect Pollinator examples - ✔✔- Hymenoptera (bees, wasps, ants)

- Coleoptera (beetles)

- Diptera (flies)

- Lepidoptera (butterflies and moths)



Mammalian Pollinator examples - ✔✔- Chiroptera (bats)

- Primates (monkeys and lemurs)

- Rodentia (rodents)



Avian Pollinator examples - ✔✔- Hummingbirds

- Honeycreepers

- Sunbirds

- Parrots



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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