A is a multi-level network of feeding interactions, through which both energy and matter move.

1. Food web
2. Food chain
3. Ecological Pyramid
4. None of the above

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body