Fossils are often found in............ rocks.

• metamorphic

• sedimentary

• igneous

• volcanic

Which of the following terms is more precise in describing the remains and traces of old living organisms that were preserved in sedimentary rocks?

• Extinction.

• The red list.

• Fossils.

• Petrification.

Worms tunnels fossil is formed, because of.........

• the presence of hard skeleton.

• the activity of worms during their life.

• the death of the worms and quickly buried in sedimentary rocks.

• the death of the worms and quickly buried in ice layers.

The complete body fossil of mammoth is found preserved in........

• amber.

• snow.

• sedimentary rocks.

• ocean.

Complete body fossils of insects are found preserved in.......

• ammonites

• amber.

• igneous rocks.

• ambergris.

On the solidification of the resinous matter secreted by pine trees in the old geological periods, it forms.......

• ammonites fossil.

• amber fossil.

• trilobite fossil

• nummulites fossil.

Ammonites fossil represents a mold of a/an.......

• snail.

• elephant

• insect

• scorpion.

If you are a collector of shells of snails and clams on the beach of the sea. Which of the following can you make a model for a fossil known as a mold ?

• A shell of ammonites snail only.

• A shell of clam only.

• A shell of ammonites snail and clam together.

• These shells are not suitable for making a fossil.

What's the kind of fossil that is formed when a plant leaf falls on a soft sedimentary rock at the beginning of formation then hardening?...

• A trace

• A mold.

• A cast.

• A petrified fossil

When mod fills up the shell cavities and solidify, then shell decomposes, ..............produced in

• a solid mold

• a cast

• a petrified wood

• an amber fossil