Answer: if two morphological distinct organisms from two distinct geographical areas, can mate & reproduce successfully, then they must belong to the same species
Explanation:
Jcaafiagvvagsogoshosh svaigosbsv asvsgsigsis svisvigsisg
Organism, organ system, Organ, Tissue, Cell
Biosphere, organisation, ecosystem, community, population
Population, organism, organ system, tissue, cell
Biosphere, ecosystem, community, population, organism
(I'm not 100% positive on this) Dinosaurs, many chickens and birds are related to dinosaurs