Concept:Biodiversity includes all living things — from genes to ecosystems. Its conservation benefits every form of life, not just some groups.Explanation:The term "biodiversity" means the variety of life on Earth at all levels. This includes genes, species, and ecosystems. Conservation of biodiversity aims to protect this entire web of life. It ensures food security, sustains livelihoods, and maintains life-supporting systems. The three main objectives are: preserving species diversity, sustainably using species and ecosystems, and maintaining essential ecological processes. Since biodiversity covers all living things — animals, plants, fungi, and microbes — its conservation is essential for all organisms, not just a specific category.Answer:D. Organisms