'Seed plants' diaporamas de présentation

Seed Plants

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Introduction to Plants

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Gymnosperms

Gymnosperms. Spring 2011. Outline. Review of land plant phylogeny Characters of seed plants Gymnosperm phylogeny & diversity Gnetophytes Cycads Gingko Conifers. Review of land plant phylogeny. Green plants (viridophytes) Land plants (embryophytes) Vascular plants (tracheophytes)

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Seedless Vascular Plants

Seedless Vascular Plants. Chapter 17. Seedless vascular plants. The descendants of certain lineages of seedless vascular plants, with names such as whisk ferns, lycophytes, horsetails, and ferns, . Seedless Vascular Plants.

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Seedless Vascular Plants

Seedless Vascular Plants. Chapter 17. Seedless vascular plants. The descendants of certain lineages of seedless vascular plants, with names such as whisk ferns, lycophytes, horsetails, and ferns, . Seedless Vascular Plants.

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Chapter 29: Plant Diversity I: How Plants Colonized Land

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Complex Plants:

Complex Plants:. Chapters 22, 23 and 25. 22-1 Seed Plants. Benefits to plants of living on land are: 1. Abundant Sunlight for Photosynthesis 2. Free movement of carbon dioxide and oxygen. Problems encountered by life on land are:. Water and nutrients available only from the soil.

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Paleozoic Vertebrates and Plants

Paleozoic Vertebrates and Plants. Chapter 13 Part 2. Chapter 12&13 summary. Review of Paleozoic vertebrates. Jawless fish Jawed fish Eventually to amphibians. Can amphibians take over the world? Dependence on water for reproduction. Amniote egg. Egg hatch as mini adult

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The Evolution of Seed Plants Feb. 18 and 23, 2011

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AGRICULTURAL INSURANCE IN ITALY

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Seed Plants

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Diversity in Biology

Diversity in Biology. Taxonomy. Taxonomy is the science of naming and classifying organisms A taxon is a group of organisms in a classification system The levels of classification from broadest to most specific: Domain Kingdom Phylum Class Order Family Genus Species.

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Plant Diversity

Plant Diversity. Section Outline. Section 22-2. What is a Plant? Multicellular Eukaryotic Have cell walls Carry out photosynthesis using the green pigments - chlorophyll a, and chlorophyll b. Section Outline. Section 22-3. What Plants Need to Survive

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Plant Diversity I: Non-vascular plants

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Introduction to the Angiosperms

Introduction to the Angiosperms. Chapter 19. Angiosperms- Anthophyta. Autotrophic, but parasitic and saprophytic representatives. Enclosure of ovules within carpels. Ovule - the structure in seed plants that contains the female gametophyte with egg cell; including nucellus and integuments.

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Plant Diversity II

Plant Diversity II. Level 1 Biological Diversity Jim Provan. Campbell: Chapter 30. Reproductive adaptations of seed plants. Three life cycle modifications led to the success of terrestrial plants: Reduction of the gametophyte: retained in the moist reproductive tissue of the sporphyte

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Seed Plants

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Chapter 30 ~ Plant Diversity II: The Evolution of Seed Plants

Chapter 30 ~ Plant Diversity II: The Evolution of Seed Plants. Seed Plant Reproductive Adaptations. Reduction of the gametophyte : shift from haploid to diploid condition; female gametophyte and embryo remain in sporangia (protection against drought and ionizing radiation on land?)

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Chapter 30

Chapter 30. Plant Diversity II: The Evolution of Seed Plants. Seed Plant Reproductive Adaptations. Reduction of the gametophyte : shift from haploid to diploid condition; female gametophyte and embryo remain in sporangia (protection against drought and ionizing radiation on land?)

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Common Name: C-fern Scientific Name: Ceratopteris richardii

Common Name: C-fern Scientific Name: Ceratopteris richardii. Gametophyte form of life cycle. Sporophyte form of life cycle. Habitat: Aquatic (in standing water), humid tropics Characteristics: Straight growing with stems above or sometimes below water

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