Question

some organisms are very specific in where they can live and what they will eat. these organisms have a very specific, or narrow, niche. what do we call these organisms? specialists generalists

Explanation:

Organisms with a specific or narrow niche (specific in where they live and what they eat) are called specialists. Generalists have broad niches, able to live in various environments and eat diverse foods. So the correct option is Specialists.

Answer:

A. Specialists