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Bio_Topic5

QuestionAnswer
what is the earliest land plant lineage? Bryophytes
what are the small pores called on the outer leaf surface? Stomata
What do the gaurd cells regulate? Passage of water and atmospheric gasses
Explain the life cycle of a plant. Sporophyte makes haploid spores by meiosis, haploid spore develops into haploid gametophyte through mitosis, gametophyte makes gametes, fertilization occurs forming zygote that develops into a new sphorophyte
what are characteristics of bryophytes? -low growing to ground -reproduce sexually with presence of water -flagellated sperm cell -No vascular tissue (limits size)
Whar is the dominant stage of a bryophyte life cycle? Gametophytes
What does the haploid gametophyte produce? Egg and sperm cells
Where does the developing sporophyte form? Within the archegonium.
What are the three lineages of bryophytes? Liverworts, hornworts, and mosses
In vascular plants what does designed tissues do? Carry materials through body and provide structural support.
Created by: Kaitlyn_2
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