Question

geographical and reproductive isolation of organisms gradually leads speciation​

Answer 1

Explanation:

their reproductive ability and period is also different there for the individuals from one species cannot reproduce with individuals from other species

Answer 2

Answer:

• Evolution  leads to  the  formation  of  new  species  from as speciation.
• An  existing  one  is known Species  is the  group  of  organisms that  can  reproduce  among  themselves and  produce  fertile  offspring.
• The  origin  of  many  species  is due  to  the  separation  of some  individuals of  one  species by  geographic barrier.
• It  prevents  the  reproduction  in separated  groups.  
• The  separated  groups can  follow  its  own  evolutionary  course  and evolved  into  two  species.