1. Vocabulary Chapter 2: Lesson 3
Biome
Climate
Desert
Rain forest
Emergent layer
Canopy
Understory
Grassland
Savanna
Deciduous tree
Boreal forest
Coniferous tree
Tundra
Permafrost

2. biome Group of ecosystems with similar climates and organisms
Example:6 major biomes are desert, forest, boreal forest, and tundra

3. climate
The average annual temperature and amount of precipitation

4. desert An area that receives less than 25 cm. of rain per year
Ex. Gobi: Cold; New Mexico and Nevada; Namib in Africa;

5. Rain forest Forests with lots of rain fall all year round
Ex.: Amazon rainforest; Pacific North West USA

6. Emergent Layer
Tallest layer of the rain forest (70 meters)

7. canopy
Leafy roof under the emergent layer(50 meters)

8. understory
Under the canopy (15 meters) Plants grow well in the shade.

9. Grassland
Prairies found in the mid latitudes that has mainly grasses and other plants and get a little more rain than deserts.

10. savanna
Grasslands that are located closer to the equator than prairies that receive more rain.

11. Deciduous Trees
Trees that shed their leaves and grow new ones each year.

12. Boreal forests
Dense forests found in the upper regions of the Northern Hemisphere

13. Coniferous Trees
Trees that produce their seeds in cones and have needle leaves

14. Tundra
Extremely cold and dry climate

15. permafrost
Frozen soil all year