increasing an organism's ability to reproduce has a positive impact on that organism
embryo is organism. evolution has not effect_of_creating_new_species relative is organism. unicellular_organism_reproduction_event is organism_reproduction_event. multicellular_organism_reproduction_event is not organism_reproduction_event. organism_reproduction_event is biological_reproduction. multicellular_organism_reproduction_event is organism_reproduction_event. organism_reproduction_event is not biological_reproduction. biological_growth_of_organisms is becoming. evolution has effect_of_creating_new_species