There is to image we can't help you with that question.
Answer:
i think its atomic number
Explanation:
species population community ecosystem biome and biosphere. since you are asking specifically about the levels of organization in an ecosystem er leave out the levels of biome and biosphere since they are both more complex than ecosystem
The answer for this is option 1. B
The answers for the quiz are
1. C
2. B
3. C
4. C
5. B