Show the genotypes of the parents and the f1 offspring of a cross between a red and white petunia

F1 would be red because the first round is dominant-recessive the only other answer is pink.

b is the correct answer

increases the risk of extinction 

explanation:

the answer is that if the species suffers from the disease, there is nothing stronger than the others, so it is possible to remove wholeness. an example of this is hunger in irish potatoes, which has a deadly disease bearish part of all potato harvest masses. pretty much ruins the land of crops.