trophic level
noun /ˌtrəʊfɪk ˈlevl/, /ˌtrɒfɪk ˈlevl/
/ˌtrəʊfɪk ˈlevl/
(specialist)- each of several levels in an ecosystem (= all the plants and animals in a particular area and their relationship with their environment). Each level consists of living creatures that share the same function in the food chain and get their food from the same source.
(生态系统的)营养级