I believe the answer is 2 AND 8
Hope this helps!
After the forest fire,the burnt wood will be fertilized by microbes which consider as decomposer in the food chain.It doesn't olny decompose dead animals but also organic and inorganic resources.
I think the correct answer among the choices listed above is option B. The role of the organism indicated in the picture which is the algae is that <span> producers bring new energy into an ecosystem by breaking down inorganic materials and making new ones. </span>