chordata

chordata   Dan chordata

Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal

Phylum: Chordata General characteristics: All animals in the phylum Chordata possess four anatomical features at some point in their lifecycle Those The Chordata is the animal phylum with which everyone is most intimately familiar, since it includes humans and other vertebrates However, not all chordates

ผู้เล่น บราก้า An extensive vertebrate fossil record begins about 400 million years ago Embryological evidence places the phylum Chordata within the Phylum: Chordata General characteristics: All animals in the phylum Chordata possess four anatomical features at some point in their lifecycle Those