Why does a temperate zone support many varieties of organisms

Torrid zone is too hot which sometimes causes more hotness in soil and won't have water which helps the plants and organisms not to survive. => In such cases Temperate zone experience both climatic conditions for short periods of time, Hence it supports many varieties of organisms

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.