Plant: cells: : language:

signs
dialects
ideas
english

Plant:cells::language:dialects. 
The concept of this quiz might seem too complicated, but the point which led me to the answer is the last word. It is like you have to point on the component of the previous thing and language consists of different dialects as well as plants consist of cells.
Hope that helps!

Each of the albino seals parents may each have had a recessive gene for albinism, and this seal inherited both recessive genes.