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@This document (Lesson 5 : From where organisms get energy and nutrients : Producers) is re-created by administrator on 23 August 2017
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From where organisms get energy and nutrients: Producers
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It is a well-known fact that every organism (microbes, plants the and animals) requires energy and nutrients to survive. Sun is main source energy for biotic factors living in any ecosystem.
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\r\nPlants and algae could use sunlight as a source of energy with the help of chlorophyll present in their body through the process of photosynthesis. They use abiotic factors such as carbon dioxide, water and minerals absorbed from the environment for building their body parts. During photosynthesis, they absorb the carbon dioxide present in the atmosphere (produced by other organisms during respiration) and release another essential abiotic factor oxygen in return.
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Since plants and algae could utilize abiotic factors directly for getting energy and nutrients they are known as Autotrophs (auto = self, troph = nourishment; meaning self-nourishment). The biotic factors, which could produce the energy and food themselves, are also called as producers.
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Below are the videos of different types of producers, observe carefully \r\n \r\n
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\r\nDiscussion \r\n \r\nDoes the manufacturer always appear in green color? Why?
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Which organism gets energy and nutrients from where?
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Producers, consumers and decomposers
\r\n \r\nIt is a well-known fact that every organism (microbes, plants and animals) requires energy and nutrients to survive. Sun is the main source energy for biotic factors living in any ecosystem. Plants and algae could use sunlight as a source of energy with the help of chlorophyll present in their body through the process of photosynthesis. They use abiotic factors such as carbon dioxide, water and minerals absorbed from the environment for building their body parts.During photosynthesis, they absorb the carbon dioxide present in the atmosphere (produced by other organisms during respiration) and release another essential abiotic factor oxygen in return. Since plants and algae could utilize abiotic factors directly for getting energy and nutrients they are known as Autotrophs (auto = self, troph = nourishment; meaning self-nourishment). The biotic factors, which could produce the energy and food themselves, are also called as producers. \r\n \r\nMany bacteria, fungus, animals and human beings eat various kinds of plants or animals to get energy and nutrients. They are called consumers since they consume body or body part of other organisms. Consumers cannot use abiotic factors directly as the food materials and all organisms that are dependent up on other organisms for getting energy and nourishment are also known as Heterotrophs (hetero = others, troph = nourishment). Some of them use only plants as the food materials (Herbivores) while others eat other animals (Carnivore). In many ecosystems, you could see animals, which consume both plant materials as well as animals (Omnivores). \r\n \r\nThe biotic factors that use dead bodies of other organisms or waste materials produced by them for the energy and nutrients are called decomposers. Mainly fungus and bacteria work as the decomposers in every ecosystem and their activity is essential to avoid the degeneration of the ecosystem. They break down the dead materials into the abiotic factors and make it available to the producers. Discuss what happens to the dead leaves or the vegetable peels if kept outside for many days. Why are dry leaves not getting decomposed easily? Why is plastic not decomposing? \r\n \r\nNow take the list of biotic components present in the surroundings of your school, prepared during your field trip. Are they getting energy from the same source? Are they using same nutrients for survival and growth? Divide them into autotrophs (producers) and heterotrophs (consumers)? \r\nPlease discuss how Producers, consumers and decomposers are interconnected with each other? \r\n \r\n