D, different species in the world
This could be two answers Water or Oxygen. I would go with water because it contains oxygen therefore making it a possible answer. Hope I helped. :)
Answer:
b. 10% of the plant's energy.
Explanation:
In an ecosystem, there are various trophic levels, which form the part of the food chain. Producer like plants forms the first trophic level as they synthesize their own food via photosynthesis.
Hope it helps! ^_^
