Given those answer options, answer the question: Answer the following question given this paragraph: The survival of every ecosystem is dependent on the producers. Without producers capturing the energy from the sun and turning it into glucose, an ecosystem could not exist. On land, plants are the dominant producers. Phytoplankton , tiny photosynthetic organisms, are the most common producers in the oceans and lakes. Algae, which is the green layer you might see floating on a pond, are an example of phytoplankton. Q: Where do producers in an ecosystem generally get their energy from? A:
A:
the sun