1 / 9

Chapter 22: Plant Diversity

Chapter 22: Plant Diversity. Biology- Kirby. Chapter 22- Plant Diversity. Plant- multicellular eukaryotes with cell walls made of cellulose. Plants are autotrophs, and use the process of photosynthesis to make their food. Plant Life Cycle: Sporophyte- spore-producing plant- diploid phase.

jmartinson
Download Presentation

Chapter 22: Plant Diversity

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 22: Plant Diversity Biology- Kirby

  2. Chapter 22- Plant Diversity • Plant- multicellular eukaryotes with cell walls made of cellulose. • Plants are autotrophs, and use the process of photosynthesis to make their food. • Plant Life Cycle: • Sporophyte- spore-producing plant- diploid phase. • Gametophyte- gamete-producing plant- haploid phase.

  3. Chapter 22-Plant Diversity • The first plants evolved from organisms like algae. • Groups of Plants: • Bryophytes-mosses, liverworts, &hornworts. • Nonvascular- absorb water by osmosis.

  4. Chapter 22-Plant Diversity • Seedless Vascular Plants- club mosses, horsetails, & ferns. • Vascular- special tissue that carries water and nutrients. • Tracheid- hollow cells in plant tissue. • Xylem- carries water from the roots to the plant parts. • Phloem- carries nutrients & minerals from the soil to the plant parts.

  5. Chapter 22-Plant Diversity • Plant structures: • Roots- underground organsthat absorb water and minerals. • Leaves- photosynthetic organs that have vascular tissue. • Veins- bundles of xylem and phloem. • Stems- supporting structures that connect roots and leaves, and carry water and nutrients

  6. Chapter 22-Plant Diversity • Seed Plants: • Gymnosperms: seeds are directly on the surface of cones. Include conifers like pines and spruces. • Angiosperms: flowering plants that have seeds within a protective tissue. Include grasses, flowering trees & shrubs, wildflowers, and other flowers.

  7. Chapter 22-Plant Diversity • Cones- holds the seeds in gymnosperms. • Flowers- hold the seeds in angiosperms. • Pollen- male gametophyte with sperm. • Pollination- transfer of pollen from male to female reproductive parts. • Seed- plant embryo in a protective covering. • Seed coat- surrounds & protects the embryo and keeps the seed moist.

  8. Chapter 22-Plant Diversity • Flower- has ovaries which surround & protect seeds. • Fruit- wall of tissue surrounding the seed. • Angiosperms: • Monocots • Dicots

  9. Chapter 22-Plant Diversity • Annuals- complete life cycle in 1 growing season. • Biennials- complete life cycle in 2 years. • Perennials- live for many years.

More Related