The action in which particles go from a high area of concentration to a lower concentration is called diffusion!
Black hole
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Dust in the air because the water molecules need something to condense around.
The relationship between the structure and function of the nucleusis that the nucleus is an enclosed organelle and is large enough tohold the DNA. This is important because the nucleus must hold andprotect the cells DNA.
Although the operation of natural selection requires that genotypes differ in fitness, for some geneticists it seems easier to understand natural selection than fitness. Partly this reflects the fact that the word “fitness” has been used to mean subtly different things. Here I distinguish among these meanings (e.g., individual versus absolute versus relative fitness) and explain how evolutionary geneticists use fitness to predict changes in the genetic composition
