Yes they should be viewed as nonliving. Because viroids are just like viruses without protein coats. They are similar to viruses excepte the protein coat. And prions are like malfunctioned proteins. They cause diseases too but they are non-living too. Because they too, don't have any metabolics reactions.
Answer:
I believe both are D, not 100% sure though
To test, increase the amount of substrate. If the amount of reaction changes then the enzyme has not depleted. If the amount of reaction does not change then the enzyme has completely depleted.
i believe the answer is A.) Tadpole
