Plant Diversity I: Non-vascular plants. 1.2 billion years ago (BYA) – appearance of cyanobacteria on land 500 million years ago (MYA) – appearance of plants, fungi and animals evolution of plants from the green algae Phylum CharophyaetaBy layne
Plants Colonized Land. Land plants evolved from green algae. Green algae called charophyceans are the closest relatives of land plants. Morphological and Biochemical Evidence. Land plants share key traits only with charophyceans: Peroxisome enzymes Structure of flagellated spermBy aziza
Chapter 29. Plant Diversity I How Plants Colonized Land. Plants are classified in 4 main divisions (aka phyla) according to whether or not they contain vascular tissue and whether or not they produce seeds, flowers , & fruits. Concept 29.1: Land plants evolved from green algae.By janina
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How do multicellular organisms, unicellular organisms and colonies of unicellular differ from each other?. Multicellular Organisms.
Multicellular Organisms. Key Area 2.2 Stem cells and Meristems. Stem Cells. Learning Intention: To learn about stem cells and how they are used for research and treating illnesses Success Criteria: Define the term ‘stem cell’ Describe the role of stem cells in animals
Multicellular Organization. I. Tissues, Organs, & Organ Systems. a) Cells are organized into tissues (a group of cells that carry out a specific function). b) Types of tissues: epithelial, connective, muscle, nerve.
Multicellular Organisms. Watch the video. and answer the questions. Multicellular Organisms. Multicellular organisms are organisms made up of many different cells. Put these words in order of size, largest to smallest. Organs. Cells. Organism. Systems. Tissues.
Multicellular Organization. Objectives. Describe cell specialization List the levels of organization in living multicellular organisms. Unicellular Organisms. These are single cell organisms Unicellular organisms dominate the Earth. Multicellular Organisms.
MULTICELLULAR ORGANISMS. Section 2b – Plant Meristems. Re-Cap. Can you name the following cells: Can you describe their functions. Learning Outcomes. Today we will learn: - the sites of growth in a plant - the importance of meristems - the way that cells specialise in plants.
Multicellular ALGAE. JRMG 2010 bio1. Phylum CHLOROPHYTA. Chlamydomonas sp. Volvox. Spirogyra. Oedogonium. Boergesenia. Ulva. Acetabularia. Chara. Caulerpa. Phylum RHODOPHYTA. Galaxaura Gracilaria . Eucheuma Porphyra. Phylum PHAEOPHYTA. Macrocystis. Turbinaria Padina.
Multicellular Organisms. National 4 Unit 2. Germination. For seeds to germinate (i.e. grow), they need particular conditions: Water Oxygen Warmth. Propagation. Propagation is the process by which a grower increases the yield of a particular plant. There are two methods of propagation:
Multicellular Life. Section 5.5. Objectives. SWBAT describe the specialization in multicellular organisms. SWBAT identify different types of stem cells. Vocabulary. Tissue Organ Organ system Cell differentiation Stem cell. Starter.