But biologists, by and large, did not believe the models.
Many biologists believe that the process may have even given birth to life itself.
About 1.4 million have been described and named, but biologists believe there are at least 10 times that many.
Biologists believe the bat became extinct on 27 August 2009.
Biologists have long believed that cells do not change course once they fully differentiate.
These two activities probably involve very different navigational skills, biologists believe.
Biologists believe the phenomenon is due to a possible decrease in water oxygen levels which force the fish to the surface.
Biologists once believed that most, if not all, bird species were monogamous.
Biologists believe the wolves will avail themselves of other prey.
Virtually every biologist who cares to think about the subject believes that all living matter has evolved.