Not all plants grow in the same way. some plants grow and reproduce in one year and are called annuals. some plants grow and reproduce in two years and are called biennials. other plants grow and reproduce for many years and are called perennials. Select the main idea: A. Some plants grow and reproduce in one year and are called annuals. B. Other plants grow and reproduce for many years and are called perennials. C. Not all plants grow in the same way. D. Some plants grow and reproduce in two years and are called biennials.