Rivers are the primary body of water found in tropical rainforests. Many rainforests feature one large river that feeds the entire ecosystem and many smaller rivers that drain into the major water body, such as the Amazon river and its many tributaries.
1 Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 2  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours. 3  Remove roast to a platter to rest for 10 to 15 minutes. Return meat to pan, place remaining bay leaf on top of meat, and cover. 2  Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 3  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours.
1 Roast for 1 hour in the preheated oven. 2  Turn the oven off and leave the roast inside. 3  Do not open the door. 4  Leave it in there for 3 hours. 30 to 40 minutes before serving, turn the oven back on at 375 degrees F (190 degrees C) to reheat the roast. 5  The internal temperature should be at least 145 degrees F (62 degrees C). Roast for 1 hour in the preheated oven. 2  Turn the oven off and leave the roast inside. 3  Do not open the door. 4  Leave it in there for 3 hours. 30 to 40 minutes before serving, turn the oven back on at 375 degrees F (190 degrees C) to reheat the roast. 5  The internal temperature should be at least 145 degrees F (62 degrees C).