SECTION VI.. What Is a Fossil?

What is a fossil?

In what ways are they preserved?

When is a fossil said to be mineralized?

Describe the process of mineralization.

How is it proved that the removal of the organic matter and substitution of mineral particles are simultaneous?

Were animals created before vegetables?

How is this shown?

At what period was the vegetable growth the greatest?

What forms of animal life were most abundant during the earlier periods?

What vertebrated animals belonged to these periods?

What advance is made in the new red sandstone period?

During what period do the mammalia first appear in abundance?

During what geological period was man created?

How are the footprints and skeletons of human beings hi solid rocks accounted for?

Why are not fossils distributed uniformly through all the formations, and through all the parts of each formation?

In what does the importance of fossils consist?

How are the fresh-water and marine formations distinguished?

What circumstances render it difficult to identify rocks of the same age in different localities?

How are formations identified?

Was the work of creation one of short duration?

What was the last work of creation of which we have any geological evidence?

Why may we presume that no more species will be created?

Do all the animal and vegetable species which have been created still exist?

What causes are operating to destroy species?