Final answer:
Biodiversity refers to the variety of life on Earth, from species diversity to genetic diversity within species and ecosystem diversity. Evolution drives biodiversity, and it is studied by evolutionary biologists. Biodiversity benefits humans through chemical diversity, which provides compounds for medicine, and supports agriculture and ecosystem services that benefit human well-being.
Step-by-step explanation:
Biodiversity refers to the variety of life that exists on Earth. It includes species diversity, genetic diversity within species, and ecosystem diversity. Evolution is the process that drives biodiversity, where new species arise from older species over time. This diversity is studied by evolutionary biologists, who explore everything from microscopic organisms to ecosystems.
Chemical diversity benefits humans in various ways. For example, the diverse chemical compounds found in plants can be used in medicine to treat diseases. Biodiversity also supports human agriculture by providing pollinators, natural pest control, and nutrient recycling.
Ecosystem services, another aspect of biodiversity, are the benefits that ecosystems provide to humans, such as water purification, air quality regulation, and climate regulation.