🌍 Overview Biodiversity—short for biological diversity—refers to the variety and variability of life on Earth. It encompasses the full range of living organisms, from microscopic bacteria to complex multicellular organisms such as plants, animals, and fungi. Biodiversity also includes the genetic differences within species, the variety of species themselves, and the diversity of ecosystems in […]
Land refers to the portion of the Earth’s surface that is not covered by water and is capable of supporting terrestrial ecosystems, human settlement, agriculture, and infrastructure. It constitutes roughly 29% of the planet’s surface, with the remaining 71% covered by oceans, seas, and other bodies of water. 🌐 Definition and Scope In geography and
Ecology is the scientific study of interactions among organisms and their physical environment. It examines the distribution, abundance, and relationships of living organisms, as well as the processes that govern ecosystems. The discipline bridges biology, environmental science, and earth systems, aiming to understand how life functions, persists, and responds to both natural and anthropogenic changes.