Answer:
I believe the answer is B.
Explanation:
Hope my answer has helped you and if not i am sorry.
Answer:
Yes.
Explanation:
Cystic Fibrosis is a recessive disease. It could most likely skip several generations. If the two people have the disease then were to have children, each child has a 25% chance of being born with the disease.
The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
