Equator: The equator is an imaginary line that divides the Earth into Northern Hemisphere and Southern Hemisphere. It passes through the center of the tropics.
Rainforest: Rainforests are dense forests characterized by high levels of precipitation throughout the year. They are found in many tropical regions.
Biodiversity: Biodiversity refers to the variety of plant and animal species present in a particular ecosystem or region. Tropical regions often have high biodiversity due to favorable climatic conditions.