food pyramid

English Thesaurus

1. (ecology) a hierarchy of food chains with the principal predator at the top; each level preys on the level below (noun.phenomenon)

hypernym	:	organic phenomenon,
definition	:	(biology) a natural phenomenon involving living plants and animals (noun.phenomenon)

domain category	:	bionomics, ecology, environmental science,
definition	:	the branch of biology concerned with the relations between organisms and their environment (noun.cognition)