1. TUNDRA Sophia L., Joanna J., Dominique R.

2. WHERE IS ECOSYSTEM LOCATED?  Near Canada  In the Northern hemisphere  Cover about one – fifth of Earth’s surface

3. DESCRIBE THE ABIOTIC FACTORS OF YOUR ECOSYSTEM  50 degrees Fahrenheit or colder  Winters are 6 to 10 months  The sun does not rise for several months  There are two seasons: winter and summer

4. PRODUCER: LICHEN. HOW DOES YOUR PRODUCER RELY ON OTHER ORGANISMS IN THE TUNDRA TO SURVIVE?  Soak up water and chemicals from air  Fungi gives lichen a home  Relies on fungi for water and minerals  Relies on fungi for protection from sunlight

5. HOW DO OTHER ORGANISMS OF YOUR ECOSYSTEM RELY ON YOUR PRODUCER TO SURVIVE?  Caribou and Reindeer eat lichen  Springtails (tiny insects) live inside Lichen  Musk Ox eats lichen  Lemmings eat lichen  Grizzled Mantid (tiny insect) hides on lichen

6. CHOOSE ONE BIOTIC OR ABIOTIC FACTOR IN YOUR ECOSYSTEM & DESCRIBE HOW A CHANGE IN ONE OF THESE COULD YOUR ECOSYSTEM.  Change: Global warming  Global warming is a having a serious impact on polar bears  Polar bears are staying on land and not eating as much  Seals will overpopulate because bears are not eating them

7. HOW DO HUMANS AFFECT YOUR ECOSYSTEM?  Use animal fur for clothes (shirts, pants, coats, and hats etc.)  Polar plants are eaten and harmed with pollution from nearby factories  Moss spores are used for fireworks it helps the fireworks explode in a flash

8. OTHER INTERESTING FACTS:  A type of tundra grass is called cotton grass it looks like cotton balls  The last ice age ended 10,000 years ago  Arctic animals use polar plants for warmth and shelter

9. SOURCES USED  Clarke, Penny. Life in the Tundra. Danbury, CT: Children’s Press, 2005. Print.  Welch, Catherine A. Polar Plants. Mankato, MN: Capstone Press, 2006. Print. Created using MLA Citation Maker on www.oslis.org.