1. Biome
Physical environment with similar flora/fauna due to a similar landscape, habitat and climate.

2. Limiting Factor
Conditions of a biome which “limit” or determine if organisms can survive within that environment.

3. Desert Biome

4. Characteristics of a desert
Dry (less than 25cm of precipitation a year)
Extreme temperatures
Mineral rich
Sand, rocks, barren
Rain comes in the form of sudden thunderstorms, flash floods

5. Desert classifications
1) Hot Desert- HOT most of the year. Ex. Sahara, Gobi, Sonoran
2) Cold Desert- COOLER temps but generally still receive little precipitation throughout the year. Ex. Sierras, Rocky Mts.

6. Desert Limiting Factors
1) Lack of Water (dry)
2) Extreme temperature ranges

7. Desert adaptations Spines on cactus Roots (deep to get to water)
Roots (shallow and fanned out)
Scales/Shells (reduce water loss)
Burrowing organisms
Nocturnal
Big ears
Small leaves

8. Make a cactus! Label arm 1(animals) Label arm 2 (plants)
Label arm 3- center of cactus (general info- examples, adaptations, interesting facts)

9. Tundra