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1IntroductionIngeneralIavoidthelast3millionyearsofevolutionandanyotherstudiesthatrequiredetailedknowledgeofmammalianincludinghumanbiologyWhyBecausepoliticalbiashearsayandgossipareinevitablewhere. What is a single-celled organism?. An organism where all the life processes are carried out in a single-cell. .. Bacteria are the most . numerous . single-celled organisms . All other life on earth depends on bacteria and other single-celled organisms to serve as food, break down wastes, and provide oxygen . Kingdom Protista. A. Sometimes not considered a true kingdom because the organisms vary tremendously from one to another. The only universal characteristic among the group is that they are all eukaryotic.. Ecology. Ecology: The study of the relationship between organisms and their environment.. Example problems that ecology handles. How do humans affect the atmosphere and contribute to global warming? . Continuous spectrum which makes it difficult to place in distinct groups. Natural – evolutionary. Artificial - purposeful. Classification. Five Kingdoms:. Protoctists. Prokaryotes. Fungi. Plants. Animals. Bird, frog ,sea star, shark, sponge, squid, worm, jellyfish, clam, coral and other organisms. TRY and divide them into two main categories based on classification.. List the categories and divide them organisms into two groups. Krishanpal. . Karmodiya. Template: . SlideShare-Adhweat. Gupta. krish@iiserpune.ac.in. http://www.iiserpune.ac.in/~krish/. A model organism is a . non-human species . that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms.. A. Introduction – There are multiple criteria by which you can classify an organism. 1. Metabolic Activities (Carbon, Energy & Oxygen sources). A) Recall that microbes may vary in their carbon & energy sources. Kingdom Protista. A. Sometimes not considered a true kingdom because the organisms vary tremendously from one to another. The only universal characteristic among the group is that they are all eukaryotic.. 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. Made of only one cell!!. With a partner...brainstorm answers to the following questions. How do you think . unicellular organisms. ...eat, move, get rid of wastes, and reproduce?. 2) How do . multicellular. Biosphere: All life on earth and parts of earth in which life exists (land, water and atmosphere). Studying Our Living planet. Science of Ecology. Study of interactions of living things, their surroundings or environments. Chapter 1. Lesson 4. Objectives. Students will:. Explore how all the living and nonliving parts of an environment interact.. Describe how the living organisms interact with each other and with non-living parts of an environment.. Needham theorized that if he took chicken broth and heated it, all living things in it would die. . After heating some broth, he let a flask cool and sit at a constant temperature.. . Result: Lots of microorganisms grew in flask. methylation. . . Methylation. is how mercury changes into organic forms and this happens under water.. Introduction. The information our group researched is important because it tells us whether terrestrial or aquatic organisms have more mercury. Mercury can also kill many people. According to the EPA, mercury can be found in air, water and soil. Mercury is everywhere and it gets there by emissions from vehicles and emissions from factories, but the main ways are through .