Since humans survived on plants for thousands of years discuss the ways in which plants

Since humans survived on plants for thousands of years discuss the ways in which plants

Since humans survived on plants for thousands of years, discuss the ways in which plants are involved in many of the environmental issues and to how and to what extent have humans affected their natural environment?  describe your understanding of the concept, add information to that concept and lastly pose a question to the class so that they can get involved. Across your post and two replies, you need to have a total of three references.