Answer:
a) Kingdom, phylum, class, order, family, genus, species. 
Explanation:
Kingdom is the broadest taxonomic category after domain as proposed by Linnaeus. The Linnaean hierarchy of taxon identifies species as the most specific taxon that include only those organisms that can interbreed to produce the fertile progeny. 
Several species with some common features are placed in same genus while related genera are placed in same family. Likewise, related families are placed in same order and the related orders are placed in same phylum.
Hence, kingdom is the least specific or broadest taxon that includes all the related phyla while species is the most specific taxon that include only the organisms that can interbreed. 
 
        
                    
             
        
        
        
This is my opinion- please note this is NOT a fact:
Scientists label planets and dwarf planets to further distinguish what actually classifies a planet. If scientists didn’t have a classification system, the argument could be made that solid matter in space could be named a “planet” (asteroids, moons, etc.). Having certain classification thresholds means that planets that could support life are identified. 
Again- this is NOT fact, my simple opinion. I could be very wrong.
        
             
        
        
        
The answer is C. Genetic Isolation.
Genetic isolation occurs when there is no genetic exchange between organisms of the population or species. One of the reasons that cause genetic isolation is geographical separation. The reason why some species of koalas are only found in Australia and lemurs in Madagascar is that they cannot mate with other species outside of their geographical boundary.
        
                    
             
        
        
        
Answer:
<em>Vacuole</em>
Explanation:
Vacules are the storage bubbles within the cell. They store food, nutrients and/or other organic compound which might cell require during starving conditions. They are more than one in animla cells but relatively smaller. The diagram shown is the schematic representation of the animal cell.