The six charecteristics are; feathered, winged, bipedal, endothermic (warm blooded), vertebrae and egg-laying.
The Asterix comic character Arkeeahpteriks was depicted with bird-like characteristics such as wings, feathers, and beak. He could also fly, similar to a bird.
Sparrows exhibit internal fertilization, where the sperm fertilizes the egg inside the female's body. The male bird transfers sperm to the female through copulation.
Blue Bird House
external influences on phenotype
Surgically sexed means that a bird's sex is determined through a surgical procedure rather than through external physical characteristics. This usually involves a veterinarian inspecting the bird's reproductive organs under anesthesia to determine its sex accurately.
There are many external characteristics of vertebrates that are displayed by sharks. Some of these characteristics include eyes and branched appendages.
a pheasant is a long tailed bird
yo Stupid
its just how the bird is and some of its characteristics but this question was very poorly worded
yes
well i think the external characteristics are that it can swim farther than any whale
its a bird
birds
structural
claws
A diseased external sphincter muscle will produce an abnormal pattern of electrical activity.
Kiwi