Why are most fossils found in beds that were once the floors of shallow seas?

Question

Please help, thanks!

Answer 1

For fossilisation an important condition is rapid burial.

The sea provides such conditions - abundant life and rapid burial due to influx of sediment forming debris layer by layer.

thnks

Answer 2

1. plenty of animal life

2. fair proportion have preservable parts (shells etc)

3. Conditions preserve hard parts (very little erosion and no chemical weathering

4. Steady sediment influx ensures burial

Answer 3

Seas and oceans have always covered more of our planet (today it is about 71%) and life first formed in the ocean. That means that the vast majority of fossils are from sea creatures-especially hard -shelled ones.