KEY CONCEPT The largest phylum in the plant kingdom is the flowering plants. - PowerPoint PPT Presentation

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KEY CONCEPT The largest phylum in the plant kingdom is the flowering plants.

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KEY CONCEPT The largest phylum in the plant kingdom is the flowering plants. Flowering plants have unique adaptations that allow them to dominate in today s world. – PowerPoint PPT presentation

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Title: KEY CONCEPT The largest phylum in the plant kingdom is the flowering plants.


1
KEY CONCEPT The largest phylum in the plant
kingdom is the flowering plants.
2
Flowering plants have unique adaptations that
allow them to dominate in todays world.
  • Flowers allow for efficient pollination.
  • animals feed on pollen or nectar
  • pollen is spread from plant to plant in process

3
  • Fruit allows for efficient seed dispersal.
  • Fruit is flowers ripened ovary
  • Surrounds and protects seed(s)
  • Many forms, each function in seed dispersal

4
Botanists classify flowering plants into two
groups based on seed type.
  • A cotyledon is an embryonic seed leaf.
  • Monocots have a single seed leaf.
  • leaf veins usually parallel
  • flower parts usually in multiples of 3
  • bundles of vascular tissue scattered in stem

5
  • Dicots have two seed leaves.
  • leaf veins usually netlike
  • flower parts usually in multiples of 4 or 5
  • bundles of vascular tissue in rings in stem

6
Flowering plants are also categorized by stem
type and lifespan.
  • Stem type can be woody or herbaceous.
  • Wood is a fibrousmaterial made up ofdead cells.
  • Wood has highconcentrations oflignin and
    cellulose.
  • Woody stemsare stiff.

7
Flowering plants are also categorized by stem
type and lifespan.
  • Stem type can be woody or herbaceous.
  • Wood is a fibrousmaterial made up ofdead cells.
  • Wood has highconcentrations oflignin and
    cellulose.
  • Woody stemsare stiff.
  • Herbaceous plants do not produce wood.

Iris
8
  • There are three types of plant life spans.
  • Annuals mature from seed, flower, and die in one
    year.

Wheat
9
  • There are three types of plant life spans.
  • Annuals mature from seed, flower, and die in one
    year.
  • Biennials take two years to compete life cycle.

Foxglove
10
  • There are three types of plant life spans.
  • Annuals mature from seed, flower, and die in one
    year.
  • Biennials take two years to compete life cycle.
  • Perennials live more than two years.

Big bluestem
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