<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is biodiversity? Context: Biodiversity encompasses the variety of life forms in a specific ecosystem or globally. Answer: [/INST]Biodiversity refers to the variety of life forms existing in a particular ecosystem or on Earth as a whole.</s>