1. Temperate Deciduous Forest
•Average Yearly Rainfall 75 to 125 cm (29.5 to 49 in.)
•Average Temperatures Summer: 28ºC (82ºF) Winter: 6ºC (43ºF)

2. Tropical Rain Forest •Average Yearly Rainfall up to 400 cm (157.5 in.)
•Average Temperatures Daytime: 34ºC (93ºF) Nighttime: 20ºC (68ºF)

3. Temperate Grassland Average Yearly Rainfall 25 to 75 cm (10 to 29.5 in.) Average Temperatures Summer: 30ºC (86ºF) Winter: 0ºC (32ºF)

4. Desert •Average Yearly Rainfall less than 25 cm (10 in
Desert •Average Yearly Rainfall less than 25 cm (10 in.) •Average Temperatures Summer: 38ºC (100ºF) Winter: 7ºC (45ºF)

5. Tundra •Average Yearly Rainfall 30 to 50 cm (12 to 20 in
Tundra •Average Yearly Rainfall 30 to 50 cm (12 to 20 in.) •Average Temperatures Summer: 12ºC (54ºF) Winter: −26ºC (−15ºF)

6. Oceans
Oceans cover almost 3/4ths of the Earth’s surface. Oceans hold some of the largest and smallest organisms on Earth.

7. Estuary
Definition: an area where fresh water from rivers mixes with salt water from the ocean

8. Freshwater Ecosystem