Welcome, SBLC Ecologists! Click on the links below to learn more about organisms and their environments. Remember to read thoroughly. Third Grade Part 1: Savanna http://www.ducksters.com/science/ecosystems/savanna_biome.php Part 2: Tropical Oceans http://www.mbgnet.net/salt/coral/indexfr.htm Part 3: Tundra http://www.mbgnet.net/sets/tundra/index.htm After you learn about the three biomes above, please leave a comment stating which biome is your favorite and why. Fourth Grade Part 1: http://www.enchantedlearning.com/subjects/foodchain/glossary.shtml Part 2: http://www.sheppardsoftware.com/content/animals/kidscorner/games/producersconsumersgame.htm Part 3: http://www.eduweb.com/portfolio/earthsystems/food/foodweb4.html After you finish, leave a comment answering this question : What other environmental changes or events could cause an organism's population to increase or decrease?