I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
B , because there is more than one path of energy coming from the plants but if it’s not B then it’s A because arrows that are all over the place is what makes it a web
I think the answer is yes and No. . Yes, Fish are considered a sustainable resource. A sustainable resource is a resource an environmental resource that doesn't harm the environment. Fish are helping the environment. However fish have waste and the waste is dangerous to the environment.
Pick the one that gets to your heart
Answer:
C. Producing gametes for sexual reproductive purposes