New answers tagged senescence
Imagine if an organism lived forever. How could it adapt to changing environmental conditions, from ice ages to mountain building events and changes in atmospheric conditions? That's my personal theory to explain why living things must die. A species' motto could be "Adapt or die," and no individual can do all that adapting.
Short answer Large animals do get cancer. They may contract cancer with an incidence less than that estimated by cell numbers, but there seems to be a lack of sufficient data in large animals to support this conclusively. Background Whales contract cancer (Martineau et al, 2002). There does, however, seem to be a lack of correlation between body mass and ...
Top 50 recent answers are included