Do algae consume other organisms? Which organisms consume algae? Do algae use sunlight to make food? Could an ecosystem survive without algae?
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student hypothesizes that algae are producers. Which question will best help the student determine if this is correct?
Possibilities:
- Do algae consume other organisms?
- Which organisms consume algae?
- Do algae use sunlight to make food?
- Could an ecosystem survive without algae?

Do algae use sunlight to make food?