Based on the number of offspring they produce at one time, organisms are classified into two categories—many offspring at once and a few at a time. Sort the characteristics based on the category they describe.

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?