The wooded habitat of the Grey Treefrog is larger and extends farther North, while the Green Treefrogâs swamp and marsh habitat is concentrated in the South. In the area in which Gray and Green Treefrogs overlap, both habitats occur but in different places. However, natural selection does not always go to the optimum. It only goes to what works. For instance, rabbits are herbivores, which have hind gut fermentation (fermentation of food after passing through the stomach). They have a special organ called a caecum which helps them digest their food.
Years down the road, âultimately the only thing you can really do to change that situation is a total joint replacement,â said Dr. James Gladstone, an orthopedic surgeon at Mount Sinai Hospital. So Bassaragh opted for an innovative way to fix his knee: by regrowing cartilage from his own cells.
Read more Close. ACL reconstruction can improve the stability and the function of your knee following an injury. It involves replacing the ACL in your knee, usually using a tendon from another part of your body. You will meet the surgeon carrying out your procedure to discuss your care.llografts are from donors. They are used if you have had ACL reconstruction in the past and it hasnât worked, or if you have injuries to several ligaments and tendons in your knee. Having this type of graft may mean you're more likely to get an infection. Allografts may also be more likely to stretch after surgery.