A. disconformity. I hope i helped you.
Since they are now able to genetically isolate favorable traits they can "clone" prize-winning livestock and make the production as efficient as possible
The same day an event occurs or a vulnerability is discovered.
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.