Chapter 21 The Diversity of Plants

Chapter 21 The Diversity of Plants - Chapter 21 The...

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Chapter 21 The Diversity of Plants Vocabulary alternation of generations – process where separate diploid and haploid generations alternate with one another. Angiosperm – seed plants with flowers bryophyte – nonvascular plants, require wetter environments usually where aquatic and terrestrial life meet. Conifer – gymnosperm still present today, includes pines, firs, spruce, hemlocks, and cypresses. Abundant in cold environments cuticle – waxy surface on leaves and stem to help prevent evaporation flower – structure in aniosperms in which both male and female gametophytes are formed, encourage pollen dispersal. fruit – mature ovary surrounding a seed, encourage seed dispersal gametophyte – haploid plants created from haploid spores produced by cells of gymnosperm – seed plants lacking flowers lignin – stiffening substance that supports the plant body helping to expose the maximum surface area of the plant to sunlight ovule – female conifer cones contain two ovules or immature seeds
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Chapter 21 The Diversity of Plants - Chapter 21 The...

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