Which one of the following is an example of the man-made terrestrial ecosystem?ABotanical gardensBGrasslandsCRiversDForestsAnswer: A. Botanical gardens Read Explanation: Botanical gardens are a man-made terrestrial ecosystem. It is a place where various plants are collected, cultivated, preserved and displayed for the purposes of research and education. It is also used for the conservation of rare and endangered species of plants. Read more in App