An ecosystem is defined as a community of plants, animals and decomposers that interact with one another and with the […]
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KINGDOM ANIMMALIA (Characteristic feature) All are multicellular organisms DNA is located in nucleus enclosed with nuclear membrane iii. Cells have […]
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Classification of living things
Classification is defined as the arrangement of living things into groups based on structural genetic and cellular organization. This is […]
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Living Things And Non-Living Things
Living things are those objects that have life e.g. plant and animals. Non-living things are those objects without life or […]
Maintaining the health of students and the people in a community is the responsibility of the individuals, the community, the […]
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Disease Vectors
Non-living agents that carry micro-organisms from one place to another include air, water and food. Living agents that carry micro-organisms […]
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Control of Harmful Micro-organisms
Better health can be achieved basically by controlling disease-causing micro-organisms and their animal vectors and also by improving health facilities. […]
Beneficial Effects of Micro-organisms in Nature (i) Bacteria in the large intestine of man synthesize the vitamin K that is […]
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Micro organism – Types and growth
Micro-organisms are very small living things which are normally not visible to the naked eye but can be seen with […]
Micro-organisms in the Air Micro-organisms commonly found in the air are: Bacteria, Virus and Fungi. These microbes do not grow […]