ANSWER: E) connect parks in the United States and Canada with protected corridors where wildlife can travel safely.
Answer:
get wheat that has the desired content (in this case high fiber content)
breed them
amongst the offsprings/ wheat produced, select the ones with highest fiber content
breed them
repeat this process for many generations
Explanation:
If the producer were to disappear then all the other organisms will either go extinct, survival of the fittest, or have to adapt to the change.