Question Detail
Question
Energy and nutrients enter a community by way of the
Correct Answer
Option A is the correct answer.
Detailed Explanation
Producers (autotrophs), such as plants and algae, are the entry point for energy and nutrients into an ecosystem. They capture energy from sunlight (or chemicals) and use it to convert inorganic nutrients into organic molecules that are then used by other organisms in the community.
Hint
What organisms create their own food and form the base of the food chain?