Answer: A chromosomes
Explanation: A chromosomes has a large strand of dna and is made up of many genes.
 
        
             
        
        
        
Answer: when you put the pollen under a microscope you can see that the pollen isn’t just yellow and looks like dots but that that each one has a different shape and size 
Explanation:
 
        
             
        
        
        
Answer:
- f(A1) = 0.575
- f(A2) = 0.425
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
 
        
             
        
        
        
Answer:
The emergence of new species from surviving ancestral species and both species continue to interact during a transition period is known as Sympatric Speciation.
Explanation:
Hybrid Zone is the  area where two species continue to interact. Hybrid offspring are produced by two different species.
1) hybrid offspring
2) zones
3) reinforces 
4) zones 
5) Slow down
6) gradual speciation model 
7) punctuated equilibrium