Seed Plants Flashcards

1
Q

Gymnosperms (Vascular Seed Plants)

A

Cycads, Ginkgo, Confiers; Have seeds; Pollen (immature male gametophyte); Sporophyte dominant; Doesn’t need water for fertilization (uses pollination)

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2
Q

Conifers

A

Cones are the reproductive structure, has both male and female; Cone is the site for all alternation of generations; Has features to help reduce drought:
- Leaves have reduced surface area (needles)
- Sunken stomates
- Thick cuticles

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3
Q

Angiosperms

A

Very diverse; Flowers are the key characteristic; Flower is the site for alternation of generations

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4
Q

Male Flower organs

A

Stamen:
- Anther
- Filament

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5
Q

Female Flower organs

A

Carpel:
- Stigma
- Style
- Ovary

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6
Q

Monocots

A

Grasses, palms, lilies;
- One Cotyledon
- Veins usually parallel
- Vascular tissue scattered
- Root system usually fibrous
- Pollen grain has one opening
- Flower organs usually in multiples of 3

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7
Q

Eudicots (Dicots)

A

Herbaceous and woody;
- Two Cotyledons
- Veins usually net-like
- Vascular tissue usually arranged in a ring
- Taproot (main root) usually present
- Pollen grain has three openings
- Flower organs usually in multiples of four or five

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