The theme is the writer's view of or comment about the subject. The answer to your question is D. I hope this is the answer that you are looking for and it comes to your help.
Answer:
immature ovulate
Explanation:
An ovulate cone will become a mature gymnosperm cone after all of the ovules mature into seeds.
The answer to that will be prokaryotic
Since carotenoids stabilize dangerous free radicals, we can assume that their function is to protect the cell from the free radicals.