I'm going to use the letter W for this
Going by the question, white is the dominant trait.
WW = white
Ww = speckled
ww = black
4 chickens would be speckled because 50% of the punnet square is Ww
The answer is A) allopatric speciation elimination
The Organism that the biologist observed was a part of the Porifera phylum.
I think that the answer is c. Because factories and fire is putting carbon into the atmosphere.