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.
Preheat oven to 500ÂºF. Season roast generously with salt and pepper. Create a rack, by placing roast bone-side down in pan. Place beef in oven and roast 15 minutes.Turn heat down to 325ÂºF and continue roasting about 2 hours for medium (when thermometer placed in center of roast registers 140ÂºF before resting) or until desired doneness.Because roast sizes vary, figure 12-15 minutes of roasting time per pound after initial sear.nstructions: 1  Preheat oven to 500ÂºF. Season roast generously with salt and pepper. 2  Place beef in oven and roast 15 minutes. 3  Transfer roast to cutting board; loosely tent with foil and let stand 15 to 20 minutes.