Click the green flag to start. Press Space to go to the next slide. Always press space to get back to the questions menu. After clicking on answer press space to get back to the question menu. When you click on question E or D there are 2 parts to them. To get back to the question E menu press E and to get back to the question D menu press D. Press 0 to view the sources.
Please Read The Instructions Above Sources http://www.ucmp.berkeley.edu/exhibits/biomes/grasslands.php http://www.ducksters.com/science/ecosystems/savanna_biome.php http://www.ducksters.com/science/ecosystems/carbon_cycle.php http://www.ducksters.com/science/ecosystems/nitrogen_cycle.php
