Answer:
b. Sympatric autopolyploidy
Explanation:
Sympatric speciation will occurs when a new species when two groups from the same ancestral population evolve without any geographical separation.
Autopolyploidy will appear when an individual possess more that two sets of chromosomes both from the same parental species
Therefore, since a new species was formed as a result of autopolyploidy. The type of speciation that occurred was Sympatric speciation.
Answer: Here are all the ones you're missing
Race Horses - Selective breeding
XY - Male
Lung's main organ - Nervous system
XX - Female
Breaks down food into small usable parts - skeletal