which of the following statements about food chains and food webs is true? group of answer choices food webs track trophic levels among ecosystems that include spiders as one of the biotic elements, whereas food chains track non-spider-containing ecosystems. food webs are more complicated than food chains because they track energy through different trophic levels than do food chains. energy transfer among trophic levels operates by different rules in food chains than in food webs. food webs are more complicated than food chains because they include interactions between more species.
