Phylum - an overview

In James Valentine's words, 'phyla are morphologically-based branches of the tree of life' Phylum names can never be used to group together animals from

Definition of phylum noun in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and

phylum Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders,

phylum These pores have given the sponges their phylum name Porifera—pore-bearers In some sponges, ostia are formed by porocytes, single tube-shaped