What is the name for a large region with consistent organisms and weather?

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

c.           is the correct answer