Sound science is based on one time occurrences true or false

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which part of cellular respiration must occur before any of the other steps can occur

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