1 / 6

The life cycle of a moss (Bryophyta)

Raindrop. Key. Male gametophyte. Haploid ( n ). Spores develop into threadlike protonemata. Sperm. Diploid (2 n ). 5. 6. 3. 8. 4. 2. 1. “Bud”. Antheridia. Protonemata. “Bud”. Egg. Spores. Gametophore. Female gametophyte. Archegonia. Peristome. Rhizoid. Sporangium.

Download Presentation

The life cycle of a moss (Bryophyta)

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. Raindrop Key Male gametophyte Haploid (n) Spores develop into threadlike protonemata. Sperm Diploid (2n) 5 6 3 8 4 2 1 “Bud” Antheridia Protonemata “Bud” Egg Spores Gametophore Femalegametophyte Archegonia Peristome Rhizoid Sporangium FERTILIZATION Seta MEIOSIS (within archegonium) Capsule(sporangium) Zygote Calyptra Maturesporophytes Mature sporophytes Embryo Foot Archegonium Youngsporophyte Femalegametophytes Capsule with peristome (LM) 7 Figure 29.8 • The life cycle of a moss (Bryophyta)

  2. LIVERWORTS (PHYLUM HEPATOPHYTA) Gametophore of female gametophyte Foot Seta Sporangium 500 µm MOSSES (PHYLUM BRYOPHYTA) HORNWORTS (PHYLUM ANTHOCEROPHYTA) Sporophyte Sporophyte Gametophyte Gametophyte Figure 29.9 • Bryophyte diversity

  3. 1 3 2 • The life cycle of a fern Key Haploid (n) Diploid (2n) Antheridium Young gametophyte Spore MEIOSIS Sporangium Sperm Archegonium Egg Mature sporophyte New sporophyte Zygote Sporangium FERTILIZATION Sorus 6 4 Gametophyte 5 Fiddlehead Figure 29.12

  4. LYCOPHYTES (PHYLUM LYCOPHYTA) Strobili (clusters of sporophylls) A quillwort A spike moss A club moss PTEROPHYTES (PHYLUM PTEROPHYTA) Vegetative stem Strobilus on fertile stem Figure 29.14 FERNS HORSETAILS WHISK FERNS AND RELATIVES • Seedless vascular plants

More Related