to maintain our enviroment and to keep humans alive
It is a ecological function.
The scientific term for vertebrate...is vertebrate. A vertebrate is a species of animal that has a backbone.
Animals fulfil their ecological roles in various ways. They are part of the food web and they will play their respective role as a predator or as prey in the food web.
I donβt know
A species that can survive in a variety of ecological niches.
Fish species
Ecological species concept.
Yes, Justin Beiber (and the rest of the human species) is a vertebrate.
That depends on the species of vertebrate in question. As you have not specified this we can not give you a more precise answer.
yes it can but it depends on plate techtonics
Ecological roles of present-day organisms.
They are one of the seven Pacific salmon species, and are in the fish vertebrate group.