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Biology

Difference between Biotic and Abiotic Factors

Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. […]

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Classwork Series and Exercises {Biology – SS2}: Aquatic Habitat

Biology SS 2 Week 3 Topic: Aquatic Habitat Introduction Aquatic habitat is a body of water in which certain organisms live naturally. In other words, aquatic habitats are habitats or places that relates to lives in water. Organisms that live in water are called aquatic organisms. Examples of aquatic organisms are fish, crabs, toads, plants

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Classwork Series and Exercises {Biology – SS1}: Conservation Of Natural Resources

Week 2 Topic: Conservation of Natural Resources Introduction Conservation is the planning and management of natural resources in order to secure their wise use and continuity of supply while maintaining and enhancing their quality, value and diversity. In other words, conservation is defined as the planned or controlled exploitation or judicious use of natural resources

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Classwork Series and Exercises {Biology – SS2}: Respiratory System in Lower Animals

Biology SS 2Week 1 Topic: Respiratory System Introduction Respiration is defined as a biochemical activity of the cell in which glucose is broken down by a series of reactions controlled by enzymes to release energy. Your respiratory system is made up of the organs in your body that help you to breathe. Respiration means Breathing.

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Classwork Series and Exercises {Basic Science – JSS2}; Digestive System

Week 4 Topic: Digestive System Introduction Digestion is the process by which food materials are broken down into smaller pieces which can be absorbed into the body cells. Digestion of food starts from the mouth and ends in the large intestine. The unwanted food materials, however, go out of the body from the large intestine

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Classwork Series and Exercises {Biology – SS1}: Pollution

Week 1 Topic: Pollution Introduction Pollution is the introduction of a contaminant into a natural environment, usually by humans. In other words, Pollution is the addition to the ecosystem of something which has a detrimental effect on it. One of the most important causes of pollution is the high rate of energy usage by modern,

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Classwork Series and Exercises {Biology – SS2}: The Fruit

Biology SS2 Second Term Week: 4 Topic: The Fruit Introduction A fruit is the ripened ovary or ovaries of a flowering plant, together with accessory parts consolidated with it, containing the seeds and occurring in a wide variety of forms and to some extent assists in the dissemination of the seeds. Typically a fruit start

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Classwork Series and Exercises {Biology – SS2}: Vertebrate Skeleton

  Biology SS2 Second Term Week 3: Vertebrate Skeleton Introduction The skeleton of vertebrates is composed primarily of bone. Cartilage covers articular surfaces between bones and connects the ribs to the sternum. The skeleton is divided into two major parts: The axial skeleton includes the skull, mandible, hyoid, ribs, sternum, and vertebrae The appendicular skeleton

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Classwork Series and Exercises { Basic Science – JSS2}: Circulatory System

Basic Science JSS 2 Week 3 Topic: Circulatory System Introduction Higher organisms e.g. man, require blood to carry materials to and from different parts of their body. There is need for organisms to transport oxygen from the lungs to other living cells within the organisms and also, dissolved food materials absorbed in the villi to

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Classwork Series and Exercises {Basic Science – JSS3}: Metabolism In Human Body

Basic Science JSS3 Topic: Metabolism in the Human Body Introduction Metabolism is described has the chemical reaction in the body. Metabolism (from Greek: metabolē, “change”) is the set of life-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments.

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