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Seed Plants (Module 6)
11 cards·by happylittletrees19
mr. thomasmodule 6neccseed plants
What has The evolution of pollen grains (that contain sperm) has allowed seed plants to do?
Deliver sperm through the air, or attached to an insect or some other animal.
What do seeds contain?
The embryonic plant, an adequate supply of food for the embryo, and a protective external
coating.
What can seeds be compared to?
The eggs of birds and reptiles.
What is the female gametophyte in seed plants?
A small group of haploid cells that produce the egg.
What is the male gametophyte in seed plants?
The pollen grain.
What are gymnosperms?
Non-flowering seed plants.
What are angiosperms?
Flowering seed plants.
Which were the first seed plants to evolve?
Gymnosperms.
When did gymnosperms evolve?
The Carboniferous period over 300 million years ago.
When did gymnosperms became the dominant land plant?
During the Permian period, and were abundant for nearly 100 million years.
What are the four phyla of gymnosperms?
Gingkos, cycads, gnetophytes, and conifers