02 Food chains and Webs (4.7 & 4.8)

4.7 understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer 4.8 understand the transfer of substances and energy along a food chain PDF https://drive.google.com/file/d/1LmuW... Answers 1. Producers 2. As they can be included at both primary consumer and a higher consumer level. 3.They include feeding and consumption from multiple levels 4. Not included but very much important for the full picture of the cycle of nutrients, matter. Need a Biology Tutor: WhatsApp 061-418-2774 0:00 Introduction to Food Chains and Food Webs 0:20 Communities and Feeding Relationships 0:42 Trophic Levels and Food Chains 1:01 Example of a Food Chain 1:12 Food, Biomass and Energy Transfer 1:47 Limitations of Food Chains 2:12 Omnivores in Food Chains 2:44 Introduction to Food Webs 3:12 Multiple Primary Consumers 3:39 Feeding Links Between Trophic Levels 4:20 Organisms at Different Trophic Levels 4:44 Advantages of Food Webs 5:24 Review Questions