![5.1.7 Calculating the Efficiency of Biomass & Energy Transfers | Edexcel A (SNAB) A Level Biology Revision Notes 2015 | Save My Exams 5.1.7 Calculating the Efficiency of Biomass & Energy Transfers | Edexcel A (SNAB) A Level Biology Revision Notes 2015 | Save My Exams](https://cdn.savemyexams.com/cdn-cgi/image/?f=auto,width=1920/uploads/2020/01/Energy-losses.png)
5.1.7 Calculating the Efficiency of Biomass & Energy Transfers | Edexcel A (SNAB) A Level Biology Revision Notes 2015 | Save My Exams
![In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?Plants→Rats→Snakes→Hawks In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?Plants→Rats→Snakes→Hawks](https://search-static.byjusweb.com/question-images/toppr_ext/questions/658338_624538_ans_8351dd5e06f74d888460acd675130a49.png)
In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?Plants→Rats→Snakes→Hawks
In a particular food chain, if the energy produced at first trophic level is 1000 kcal, then the amount of energy which reaches fourth trophic level is .
![Assertion : The number of trophic levels in the grazing food chain is restricted. Reason : Energy decreases when it get transferred from lower trophic level to the higher trophic level. Assertion : The number of trophic levels in the grazing food chain is restricted. Reason : Energy decreases when it get transferred from lower trophic level to the higher trophic level.](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1358646/original_Energy_transfer_in_food_chain.png)
Assertion : The number of trophic levels in the grazing food chain is restricted. Reason : Energy decreases when it get transferred from lower trophic level to the higher trophic level.
![10% Rule of Energy Transfer | Definition & Pyramid Percentages - Video & Lesson Transcript | Study.com 10% Rule of Energy Transfer | Definition & Pyramid Percentages - Video & Lesson Transcript | Study.com](https://study.com/cimages/videopreview/videopreview-full/4jaix9ao9e.jpg)