A diploid cell contains two complete sets of chromosomes, while a haploid cell only one set.
        
                    
             
        
        
        
Onion skin is a plant cell. And your skin cell is a animal cell.
Basically as simple all the structures in animal cell can be found in plant cells. But plant cells has some extra structure and part where doesn't exist in animal cells.
In animal cell, it contains a cytoplasm, nucleus and a cell membrane.
But in plant cell, they have chloroplast, cell wall and vacuole in additional.
        
             
        
        
        
The hydroponics root system to grow is that they use the same method as the soil root but the root volume for hydroponics is highly restricted and they don't need to use too much energy to grow.
        
             
        
        
        
Yes, the taiga ecosystem is home to evergreens. The taiga system is a slightly warmer ecosystem then Tundra. You kind find a lot of taiga in Canada and Parts of Europe.
I hope this helps!
~kaikers