gametes are unequal in size, but both are motile.

a large, non-motile egg and a small, motile sperm.

Bisexual Photosynthetic Gametophyte

a plant structure that produces both sperm and egg cells and performs photosynthesis.

the male reproductive structures that produce and release sperm cells.

the female reproductive structures that contains the egg cell and are the site where fertilization occurs.

an underground horizontal stem from which fronds grow upward and roots grow downward.

Sori (singular: sorus )

the visible spots on the underside of mature fern fronds .

the young, coiled frond of a fern sporophyte.

structures in seed plants that develop into seeds after fertilization.

the central tissue of an ovule, where the megaspore develops.

a female sporangium, a structure within a plant that produces megaspores.

a diploid cell in plants that undergoes meiosis to produce four haploid megaspores.

a haploid spore produced by meiosis in the megasporangium of seed plants.

the haploid structure that develops from the megaspore .

a small opening in the ovule where the pollen tube enters .

a pollen sac found on the underside of each microsporophyll within the male cone.

a leaf-like structure found in a pollen cone that bears two microsporangia.

a diploid cell inside the microsporangium that undergoes meiosis to produce four haploid microspores.

Exine "Pollen Grain Wall"

the outer layer of the pollen grain wall.

one of the two cells produced by the microspore , it gives rise to the pollen tube and facilitates sperm delivery.

one of the two cells produced by the microspore , it divides mitotically to produce two sperm cells .

a layer of tissue that forms the outer covering of the seed.

plants that complete their entire life cycle in one growing season.

plants that live for more than two years, often flowering and producing seeds multiple times over their lifespan.

mall, green, leaf-like structures at the base of the flower that protects the flower bud before it opens.

the thickened part of the stem where flower organs are attached.

a stalk that holds the anther up high for better access to pollinators or wind.

the sticky surface at the top that catches pollen.

the tube that connects the stigma to the ovary, pollen tube grows through this after pollination.

contains ovules, after fertilization, it becomes the fruit.

the structure that contains the egg cell.

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43 questions

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1.

FLASHCARD QUESTION

Front

Isomorphic

Back

The gametophyte and sporophyte look alike.

2.

FLASHCARD QUESTION

Front

Heteromorphic

Back

the gametophyte and sporophyte look different.

3.

FLASHCARD QUESTION

Front

Homospory

Back

sporophyte produces only one kind.

4.

FLASHCARD QUESTION

Front

Heterospory

Back

sporophyte that produces two kinds of spores.

5.

FLASHCARD QUESTION

Front

Gametophyte Stage

Back

the haploid (n) phase of the plant life cycle.

6.

FLASHCARD QUESTION

Front

Gametophyte Structure

Back

the haploid multicellular organism or structure that develops from the spore.

7.

FLASHCARD QUESTION

Front

Isogamy

Back

gametes are equal in size and shape.

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