Vertebrates were once grouped according to their size before modern taxonomy was founded. Even invertebrates.
Yes. Chickens are vertebrates, as are all birds.
phylum?
because they are living things and they could move.
Vertebrates are a sub group of phylum Chordata . The vertebrates are all grouped into a phylum known as "Chordata", which is a subgroup of the kingdom "Animalia".
Vertebrates are classified into five main groups: mammals, birds, reptiles, amphibians, and fish. They are grouped based on common characteristics such as skeletal structure, reproductive methods, and habitat preferences. Each group further consists of various species with unique characteristics and adaptations.
They're not, really. The animal kingdom is divided into multiple phyla, such as arthropods, molluscs and roundworms. Vertebrates are only one of these phyla. They're classified according to their traits and evolutionary history, and grouped according to their relation to one another.
yes, that's what the name means. Non-vertebrates do not have a backbone Biology major: The answer above is incorrect, Hagfish (Myxinoidea) are classified as vertebrates (controversial) because they are grouped with other agnathans, but do not possess vertebrae.
Because they both belong to the Phylum Chordata in which they are both chordates (chordates are defined as organisms that possess a structure called a notochord, at least during some part of their development). Phylum Chordata Class Cephalochordata (lancelets) Family Asymmetronidae Family Branchiostomidae Subphylum Vertebrata (vertebrates) Class Cepalaspidomorphi Superclass Gnathostomata (jawed vertebrates) Class Chondrichthyes (rays, sharks) Euteleostomi (bony vertebrates) Class Actinopterygii (ray-finned fishes) Class Sarcopterygii (lobe-finned fishes & terrestrial vertebrates)
Snakes are vertebrates.
Not sure what a "grouped of data" means!
vertebrates
A toucan is a bird, and all birds are vertebrates.