BIOL 112 Exam 3- Chapter 26

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Last updated 11:43 PM on 4/11/26
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13 Terms

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Seed Plants

  • Don’t need water to reproduce

  • Use pollen and seeds instead

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Seeds

  • Protects embryo

  • Stores food

  • Allows dormancy (can survive long time)

  • Helps plants survive. dry environments!!

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Pollen

  • MALE gametophyte

  • Carries sperm

  • Travels by wind/animals

  • Does not need water

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Gymnosperms

  • “Naked seeds”

  • Seeds not in fruit

  • Cones (pine trees)

  • Wind pollination

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Angiosperms

  • Flowering plants

  • Seeds inside fruit

  • Have flowers

  • Animal pollination

  • Main stage is sporophyte

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Function of flowers

  • Reproduction

  • Attract pollinators

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Female or ovulate cones..

Contain two ovules per scale

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Parts of flower

Male = anther/stamen (makes pollen)

Female = carpel/pistil (ovules)

Stigma- where pollen lands

Ovary- becomes fruit

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Fruit

  • Protects seed

  • Helps with dispersal (animals & wind)

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Monocots

  • 1 cotyledon

  • Parallel veins

  • Multiples of 3

  • Fibrous root

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Eudicots

  • 2 cotyledons

  • Branching veins

  • Parts in 4 or 5

  • Vascular tissue in a ring

  • Well-developed root structure

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Conifers

  • Gymnosperms

  • Cones

  • Adapted to cold/dry

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Abscisic acid

Helps to maintain the state of dormancy