learnbiology

 Biodiversity: The Richness of Life on Earth  What is Biodiversity? Biodiversity is the term used to describe the enormous variety of life on Earth. It includes: All living organisms : plants, animals, fungi, and microorganisms. Genetic differences : even between individuals of the same species. Different ecosystems, like  forests, oceans, deserts, and wetlands. Biodiversity is not just about the number of species—it’s also about how different species interact with each other and their environment, creating complex and balanced ecosystems. The Three Levels of Biodiversity Genetic Diversity ➔ Variety of genes within a species (example: different breeds of dogs or types of rice). Species Diversity ➔ Variety of different species in a particular region or ecosystem (example: all the birds, plants, and insects in a rainforest). Ecosystem Diversity ➔ Variety of habitats, ecosystems, and natural communities (example: coral reefs, grasslands, mountain ...