Seedless Plants: Bryophytes and Pteridophytes
22.2 Seedless Plants
P639
Identify
bryo
phytes, p
terido
phytes
phyte
-plant type organism
Green Algae
•
Q: What are the characteristics of
green algae?
•
A: Green algae are mostly aquatic.
They are found in fresh and salt
water, and in some moist areas on
land.
Life Cycle-
Green Algae.
Mosses types of
Bryophytes
Q: What factor limits the size of
bryophytes?
A: Bryophytes are small because they
lack vascular tissue.
Bryophytes:
Group of plants that have
specialized reproductive organs but lack
vascular tissue.
Vascular Tissue
: specialized tissue in
plants that carries water & nutrients.
Life Cycle-Gametophyte & Sporophyte
Vascular Plants-ex:
Pteridophytes
-Ferns
Q: How is vascular tissue important?
A: Vascular tissues-xylem & phloem-make it possible for
vascular plants to move fluids through their bodies
against the force of gravity.
Xylem
-vascular tissue that carries water upward from
roots to every part of a plant.
Phloem
-vascular tissue that transports solutions of
nutrients & carbohydrates produce by photosynthesis
through the plant.
Tracheids
- hollow plant cell in xylem with thick cell walls
strengthened by lignin.
Bryophytes(mosses) Pteridophytes (ferns)
Explore the world of seedless plants through bryophytes and pteridophytes. Learn about the characteristics of green algae, the life cycles of these plants, and how vascular tissue impacts their growth. Discover the limitations and importance of vascular tissue in plants, from the small yet significant bryophytes to the fluid-moving abilities of pteridophytes like ferns. Delve into the differences between gametophytes and sporophytes in the life cycle of these fascinating plant groups.
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Presentation Transcript
22.2 Seedless Plants P639 Identify bryophytes, pteridophytes phyte-plant type organism
Green Algae Q: What are the characteristics of green algae? A: Green algae are mostly aquatic. They are found in fresh and salt water, and in some moist areas on land.
Life Cycle- Green Algae.
Mosses types of Bryophytes Q: What factor limits the size of bryophytes? A: Bryophytes are small because they lack vascular tissue. Bryophytes: Group of plants that have specialized reproductive organs but lack vascular tissue. Vascular Tissue: specialized tissue in plants that carries water & nutrients.
Vascular Plants-ex:Pteridophytes-Ferns Q: How is vascular tissue important? A: Vascular tissues-xylem & phloem-make it possible for vascular plants to move fluids through their bodies against the force of gravity. Xylem-vascular tissue that carries water upward from roots to every part of a plant. Phloem-vascular tissue that transports solutions of nutrients & carbohydrates produce by photosynthesis through the plant. Tracheids- hollow plant cell in xylem with thick cell walls strengthened by lignin.
