They all cause disease.
A key characteristic shared by all gymnosperms is the fact that they all make seeds. Another shared characteristic is that they do not make flowers.
a characteristic---- usually a homologous structure----shared by all organisms in a group
have a trochophore
All desert regions are characterized by low precipitation levels, arid conditions, and high temperatures. They typically have sparse vegetation and limited access to water sources.
They are all vertebrates.
They're all eukaryotic organisms.
the shape of there molecules :)
They have genetic material and they reproduce.
The characteristic of bacteria would be that they are unicellular!
a Shared ancestral characteristic a shared primitive characteristic
Cell walls that are peptidoglycan
A shared charcteristic is a feature OR CHARACTERISTIC that 2 things share or have in common. For example: A dog and cat- they both have 4 legs, this is a shared characteristic. They also have 2 eyes. hope this helps =)