In a food web, there are a limited number of trophic levels. What is a reason for this limit of energy transfer in a food web?
A、Theamountofenergyisminimalandenergytransferisnotveryefficientofthehighesttrophiclevelandthereforecannotsustaininfinitetrophiclevels.
B、Atthetoptrophiclevelthetertiaryconsumersanddecomposersuseupalltheenergyandpreventmoretrophiclevelsfromdeveloping.
C、Biogeochemicalcyclesinterferewiththecyclingofenergyinthefoodweb,thuslimitingthenumberoftrophiclevelsintheecosystem.
D、Energytransferis100%andthereisnolimittothenumberoftrophiclevelsinanecosystem,butthetrophiclevelsarelimitedbytheamountofmattertransferredthroughthetrophiclevel.
发布时间:2024-12-16 17:32:52