The sum of all plants and animals in the biosphere is?

The sum of all plants and animals in the biOSphere is referred to as biodiversity. This encompasses the variety of species, genetic variations, and ecosystems that exist within the Earth's environment. Biodiversity is crucial for ecosystem stability, resilience, and the provision of essential services such as food, clean water, and climate regulation. Protecting and preserving biodiversity is vital for maintaining the health of the planet and human well-being.