Comment Comment by d2fn "Paleontologists are sure that the fossil record is biased."..."Land animals are probably very poorly represented as well. For example, most animals that are now alive, or ever have lived, are insects, but the fossil record of insects is poor."...http://www.k5geosource.org/1content/1sc/fossils/pg6.html parent d2fn 12 years ago
"Land animals are probably very poorly represented as well. For example, most animals that are now alive, or ever have lived, are insects, but the fossil record of insects is poor."...
http://www.k5geosource.org/1content/1sc/fossils/pg6.html