PPT-Communication within Multicellular Organisms

ADVANCED HIGHER BIOLOGY COORDINATION Receptor molecules of target cells are proteins with a binding site for a specific signal molecule Binding changes the conformation of the receptor and this can alter the response of the cell. Animal like, plant like and fungi like. Objectives. 1. Define . protist. .. 2. Describe the hypothesis for the origin of eukaryotes. . 3. Explain . protists. classification. . 4. Describe two major ways in which . Classification of Living Things. There are 13 billion known species of organisms . This is only 5% of all organisms that ever lived!. New organisms are still being . . found and identified today.. http://www.worldofteaching.com. A . view. of . the. . cell. . The Cell. The basic unit of an organism. Discovery made possible by the invention of the microscope. The. . history. of . the. . cell. Creating a T Chart of Benefits and Limitations. Structure. Unicellular Organism. Body is made up of a single cell. Multicellular Organism. Body is made up of numerous cells. Division of Labor. Unicellular Organism. Core Biology. Topic . 1. Unit B1: Influences on life. Topic 1 Classification, variation and inheritance. Classification. Key words: characteristics, unicellular, . multicellular. , nucleus, autotrophic, photosynthesis, heterotrophic, saprophytic, virus . Turn and Talk. What is a cell?. What is an organism?. What is a single-celled organism?. What is a multicellular organism?. Cell Video. Single-Celled Organisms. Organisms made up of only one cell. . LESSON 3. Unicellular Organisms. Organisms that consist of one cell. . They are also known as microorganisms. They also carry out all the life processes such as movement, response, respiration, digestion, excretion, reproduction, and growth. Unicellular Organisms. vs.. Multicellular Organisms. Background information. What does “micro” mean?. What is a microscope?. What is an organism?. What does “multi” mean?. What is a cell?. Micro. Cells. tissues . organs. . . organ systems organisms. Copy the words in . red and underlined. .. Cell Differentiation. Multicellular organisms (eukaryotic organisms like plant, animals, and fungi) have millions, billions, and trillions of cells.. Standards. GSE S7L1: Obtain, evaluate, and communicate information to investigate the diversity of living organisms and how they can be compared scientifically.. GSE 7L1b: Evaluate historical models of how organisms were classified based on physical characteristics how that led to the six-kingdom system (currently archaea, bacteria, protists, fungi, plants and animals). Your Objective. 1. You will understand that . organisms. are composed of one or more . cells. . . 2. You will . identify the basic characteristics of organisms: . unicellular organisms. multicellular organisms. Multicellular.  organisms, or organisms that are made up of many cells..  . “multi,” meaning . many . Examples of Multicellular organisms: All animals, plants, most fungi. Cells are very small, so you usually need a microscope to see. : Practice using the compound light microscope. Do Now. : what is a microscope used for?. HW. :. Complete Midterm review packet, continue to review ALL concepts (take notes, make note cards etc.). Objective. An early developmental stage of a starfish. Kingdom . Animalia. Invertebrates. Some reproduce sexually, others asexually. Can regenerate from just one arm. B- Mammal Intestine. (Multicellular/Eukaryotic).