WebFeb 19, 2024 · Updated on February 19, 2024. Chordates (Chordata) are a group of animals that includes vertebrates, tunicates, lancelets. Of these, the … WebIn biology, a phylum (/ ˈ f aɪ l əm /; plural: phyla) is a level of classification or taxonomic rank below kingdom and above class.Traditionally, in botany the term division has been used instead of phylum, although the International Code of Nomenclature for algae, fungi, and plants accepts the terms as equivalent. Depending on definitions, the animal kingdom …
Chordates Biology II
WebCharacteristics of Chordata. Animals in the phylum Chordata share five key characteristics that appear at some stage during their development: a notochord, a dorsal hollow (tubular) nerve cord, pharyngeal gill arches or slits, a post-anal tail, and an endostyle/thyroid gland (Figure 29.3).In some groups, some of these key characteristics are present only during … WebAll chordates share the following common features that are unique to the group: The notochord is a stiff but flexible rod of cells and connective tissue (from the Greek root … dr nicole saphier new book
Phylum Chordata - Definition, Animals, and Characteristics
WebThe phylum Chordata includes various vertebrates such as amphibians, mammals, fish, and reptiles. Chordata is a phylum of animals that includes both invertebrate and vertebrate chordates. Phylum is a big and varied group of organisms. It has around 60,000 different species. Chordates are organisms that typically contain a feature known as the ... WebChordates are animals that, at one point or another, have a notochord (a long, flexible rod that is replaced by a backbone), gills on the side of their neck, a nerve running up their back, and a ... WebChordate. chordate , Any member of the phylum Chordata, which includes the most highly evolved animals, the vertebrates, as well as the marine invertebrate cephalochordates ( see amphioxus) and tunicates. All chordates, at some time in their life cycle, possess a dorsal supporting rod (notochord), gill slits, and a dorsal nerve cord. dr nicole schertell portsmouth nh