The food chain for the owl as secondary consumer would be grasses, mouse, owl. The food chain for the owl being tertiary consumer would be grasses, grasshopper, frog, owl.
Answer:
Your answer is B) <em>Arginine-Leucine-Proline-Asparagine-Lysine-Arginine</em>.
The answer is D, You can keep the population of the crops balanced so you don't over harvest them.