Primarily grazing animals with hooves are called ( ). A: primates B: ungulates C: carnivores D: cetaceans E: rodents

The following statement,whichis true() A: The ecosystem consists of animals, plants and microorganisms B: The ecosystem is composed of autotrophs, heterotrophs and syntrophs C: Theecosystems consist of plants, herbivores, carnivores, and scavengers D: Theecosystems consist of producers, consumers, decomposers, and abiotic environments