Most animal's internal organs are the exact same, varying in size and location. Other than that, animals are very different and mostly only the same species have exactly the same physical features.
Common physical features to all environments are air ,water, rock formations water bodies ,trees ,plants ,grass , bushes and things like that.
The strong evidence for the common ancestry of all vertebrates is THE SIMILARITY OF THEIR EMBRYOLOGICAL STAGES.
All vertebrates have a vertebral column (i.e a backbone). This is the main feature.
They are all vertebrates
They are all vertebrates.
all invertebrates are smaller than vertebrates. :)
some common attributes are: exoskeletons. 6 or more legs, and they are deathly affected by pyrethrin
all invertebrates are smaller than vertebrates. :)
they all have a back bone
Cordata is a taxonomic group that includes all organisms with a dorsal nerve cord, such as vertebrates. This group also includes organisms with other defining features like a notochord and pharyngeal slits.
Dinosaurs had all the same organs as modern vertebrates and brds evolved from dinosaurs.
All of the described animals are vertebrates.