Why is the immune response faster after vaccination than the
response that occurs the first time a pathogen invades?

Which organelle releases chemicals that break down large food particles into smaller ones?

What feature of cell theory is best demonstrated in the image

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