Fossil Formation Fossils can be
of any
things that have been
Key Term
preserved in Earth's crust.
iT
Most fossils that scientists discover are
bony parts such as
bones, and teeth.
Animals tend to eat the soft tissue parts of dead and decaying organisms, such as their
and flesh.
Bacteria work on the remaining parts and
them.
Animals don't frequently consume the hard parts and they slowly degrade over time.
O
because of their delicate nature. Scientists have
Soft tissues do form fossils, but they're
formed billions of years ago.
discovered fossils of delicate