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Bryophytes & Ferns

QuestionAnswer
Earliest adaptations for Bryophytes and Ferns cuticle, pores then stomata, sporopollenin, alternation of generations, multicellular gametangia, spores produced in sporangia, apical meristems
Nonvascular Plants do not have conducting tissue
Vascular Plants have xylem and phloem
Xylem cells are? lignified
What are xylem and phloem? conducting vascular tissues that move water, nutrients, and sugars
Nonvascular plants are divided into 3 phyla liverworts, hornworts, mosses
Liverworts phylum Hepatophyta
Hornworts phylum Anthocerophyta
Mosses phylum bryophyta
Bryophytes include liverworts, hornworts, mosses
What generation in nonvascular plants is dominant? gametophyte
What do nonvascular plants require for fertilization? water
What do nonvascular plants NOT have? no true roots, stems, or leaves
What were some remaining challenges for nonvascular plant adaptation? lack of structural support, reproduction without water
Seedless Vascular Plants adaptations to land vascular tissue, true roots, stems, and leaves
Remaining challenges for seedless vascular plants to adapt to land avoiding dehydration, lack of structural support, reproduction without water
Xylem conducts most of the water and minerals includes dead cells called tracheids
Phloem consists of living cells and distributes sugars, amino acids, and other organic products
water-conducting cell provide structural support
Evolutionary advantage of vascular seedless plants? increased height
What does vascular tissue provide? support and transport
Created by: 100000285055553
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