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Lesson 1: Energy flow through ecosystems. Ecosystems and ecological networks. Flow of energy and matter through ecosystems. Food chains & food webs. Example identifying roles in a food web. Energy flow and primary productivity. Impact of changes to trophic pyramids. Trophic levels review. Trophic levels.
For situations like the one above, we may want to use a food web that consists of many intersecting food chains and represents the different things an organism can eat and be eaten by. In this article, we'll take a closer look at food chains and food webs to see how they represent the flow of energy and nutrients through ecosystems.
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If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Explore. Browse By Standards; Virginia Math. NEW. Grade 6 (Virginia) NEW. Grade 7 (Virginia) NEW. Grade 8 (Virginia) NEW. ... Energy flow in food chains and webs + Trophic levels. Ozone layer and how it gets depleted. How do our activities affect the environment? Science > UP Class 10th Science > Our environment >
Check your understanding of food and energy in organisms in this set of free practice questions aligned to NGSS standards.
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