Which of the following contributions to the theory of the conservation of energy is an observation of a biological system?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

What characteristic make legumes a good food source for food insecure populations