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Transcript of Bibliography
6.6: Interactions Between Unicellular and Multicellular Organisms
Importance of Unicellular Organisms
Unicellular organisms can be found nearly everywhere on Earth. They can be hazardous or beneficial to your health. Unicellular organisms are very important to the environment. For example, fungi breaks down dead/decaying matter releases important nutrients back into the environment. Some organisms are used for food. Yeast, per say, is a unicellular organism which makes bread rise in the oven. Unicellular organisms can also act as an antibiotic/medicine. Penicillin, an antibiotic made from a type of fungi, is used to help heal infections.
Organisms made with only one cell
Ex. Amoebae, slime mould, algae, malaria parasite, etc.
Only seen with microscopes
Main groups: bacteria, archaea, protoza, unicellular algae, yeast etc.
Organisms made with more than one cell
Ex. Trees, flowers, cats, dogs, birds, humans, etc.
Most multicellular organisms can be seen with the naked eye
Classified in these groups:
-Caused by disfunctioning cells
-Cells in pancreas produce insulin this helps cells absorb sugar
-Type 1 and Type 2
There are more cases of diabetes in teens and children. Can be prevented by eating healthy and excersise. Can lead to heart disease blindness and kidney failure
Paré, Dennis. Nelson Science & Technology Perspectives 8. Toronto, Ont.: Nelson Education, 2009.
Microrganisms and Disease
Microrganisms (really small organisms) can cause health problems such as acne diareah and strep throat. lots of bacterial diseases have killed tons of people throughout time. for example the black plague killed over 70 million people across the globe. malaria is a common microrganism disease. approximately 40% of the world is at risk of malaria. Malaria is more common in Asia, South America and Africa.
Cancer is a major disease caused by dysfunctional cells in the body. Cancer cells spread quickly throughout the human body. Cancer creates tumors, which are unusually big parts of human tissue that are formed when cells are messed up. In malignant tumors, cancer cells break off from the tumors and enter the blood stream to create more tumors. Cancer is mainly caused by chemicals or the cancer is inherited from a family member.