What is the role of producers in the environment?
a) the producers construct objects (e.g., a bird making a nest or a beaver making a dam).
b) the use energy from the environment such as the sun as to make food via photosynthesis,
c) they are at the top of the food chain by regulating population (e.g., a wolf).
d) these species are the most valuable because they create products sold to consumers.
