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Measuring the Extraordinary Organization of Living Things
- 1. LESSON #1 What is so extraordinary about the organization of living organisms? Prof. Beatriz Duro SEK Ciudalcampo International School
- 2. THE SIZE OF LIFE Measuring skills Prof. Beatriz Duro SEK Ciudalcampo International School
- 5. How large are things really? Microscopic objects are meassured in: μm = 10-3 mm Nm = 10-6 mm (1000 μm =1mm) Not visible with a naked eye. Eye resolution is 0,2 mm If two objects are separated by a smaller distance, we will see them as one. Exercise 1: If an object meassures 1 mm, how many micrometers does it meassure? And how many nanometers?
- 6. Exercise 2: Calculating sizes Paramecium caudatum magnified 300 times 3.6 cm What is the size of the paramecium? Could we see it with our naked eye?
- 7. Average size Choosing samples to measure Using a scale 100 µm
Hinweis der Redaktion
- By the beginning of the XIX century scientists already described living organisms as being organized in different levels. systems, organs, tissues and an inferior level. The last level of organization was apparently disorganized or shapeless appearance.