Animal Husbandry (636)

agriculture animal animalia animals bilateria biology blastula cell chamber characteristic chordata citations classification cnidaria complex content current deuterostomes develop digestive diversity douglas ecdysozoa embryo energy environment evolution external farming flatworm fossil fossils fungi gene genome germ herd husbandry improve includes internal kingdom lacking livestock london lophotrochozoa loricifera marine metazoan microscopic model molecular mollusca mouth navigation nemertea opening organism organs parasites phyla phylum plants platyzoa porifera portal prey produced protist protostome radiata relationships relative represent reproduction retrieved revolution science sea search separate source species sponge structure sunlight superphylum symmetric tissue trace typically undergo worm