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**No ans for it **
Flora and fauna are words originating from Latin. Flora in Latin means goddess of the flower. Flora is also derived from the word floral, which means relating to flowers. Therefore flora is a group of indigenous plants in an ecosystem of a geographical region. The origin of the word fauna is a bit shrouded in mystery. According to Roman mythology, Fauna refers to the goddess of fertility. Fauna is sometimes referred to as Fauns, meaning forest spirits. By definition, fauna is a group of indigenous animals of any geographical region.
A terrestrial ecosystem is an ecosystem found only on landforms. Six primary terrestrial ecosystems exist: tundra, taiga, temperate deciduous forest, tropical rain forest, grassland and desert.
An aquatic ecosystem is an ecosystem in a body of water. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems.
so correct option is ( c )