PPT-Unicellular vs.

Multicellular Which is better Questions to Consider How quickly can it reproduce How specialized can it be How large can it grow How long does it take to develop How long can it live How quickly can it adapt and evolve. Unicellular organisms perform the same life processes as multicellular organisms. Individually, these cells can only be seen using a microscope. For this reason, unicellular organisms are o en called Chapter 11. Emergence of Eukaryotes . First evidence of life dates to 3.5 billion years ago.. First cells were bacteria-like.. Emergence of Eukaryotes . Origin of complex eukaryote cells. Most likely symbiosis among prokaryotic cells.. Similarities and Differences in the Protist Kingdom. All are eukaryotes (cells with nuclei).. . Live in moist surroundings.. Unicellular or multicellular.. . Autotrophs, heterotrophs, or both.. Some can move - others cannot.. The History of Classification. In the 1700’s, Linnaeus separated all life into 2 Kingdoms: Plants and Animals.. More kingdoms added as knowledge of the diversity of organisms increased.. We currently have 6 Kingdoms. . As living things are constantly being investigated, new attributes are revealed that affect how organisms are placed in a standard classification system.. . . Classifying Living Things. Carl Linnaeus was a . Unicellular Organisms. Some organisms are made up of only . one cell. .. We call these organisms . unicellular. which means one-celled.. These organisms are much . simpler. than most organisms that are made up of many cells.. Finding Order in Diversity. History of Classification. For more than 3.5 billion years, life on Earth has been constantly changing.. Natural Selection has led to a staggering diversity of organisms.. Taxonomy is the science of naming and classifying organisms. The system used by biologists is called the . Linnnaean. System.. Carl Linnaeus was a Swedish biologist in the mid-1700s. He popularized a system of grouping organisms according to like characteristics and giving each group a specific name.. 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. Emergence of Eukaryotes . First evidence of life dates to 3.5 billion years ago.. First cells were bacteria-like.. Emergence of Eukaryotes . Origin of complex eukaryote cells. Most likely symbiosis among prokaryotic cells.. Kingdom . Monera. Bacteria. 1. 1. Heterotrophic bacteria. . a. breaks down . . organic material into . . useful nutrients. b. this is called . . decomposer. 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. 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.