A would have it.
A is hetrozygous person. Since it is dominant, you only need 1 "H" to recieve the gene. Since B has two "h", it would not contain the disease.
D. As you can see the number of rabbits increased so it could not have been c, rabbits are part of the Anamilia kingdom so they do not reproduce asexually, and limiting factors would also cause them to decrease, so the answer is D<span />
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.
It is the repiratory and the circulatory
