importance of fossils

if a scientist found nummulities fossils at EL-Mokattam mountain, what can they conclude?

• The water covered the area long ago.

• this area was hot rainy environment

• this area has been desert.

If you know the age of a fossil by the use of ------------, you know the relative age of the ________________ it was found inside.

• index fossils, amber

• ice, index fossils

• index fossils,

  Sedimentary rocks

According to the index fossils, which layer is the youngest?

• A

• B

• C

What type of fossil is pictured here?

• Cast fossil

• Trace fossil

• Mold fossil

What type of fossil is pictured here?

• Cast fossil

• Trace fossil

• Body fossil

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

The best index fossils have which two traits?

• Fossils of organisms lived short period of time in a wide geographical range.

• Fossils of organisms lived long period of time in a wide geographical range.

• Fossils of organisms lived long period of time in a specific place.

Fossils are most often preserved in what?

• ice sheets

• amber resin

• sedimentary rock

Coral fossils indicate that the environment, where they lived was ---------- .

• sea floor area

• clear warm shallow seas area

• hot rainy tropical area.

examples of petrified fossils are............. .

• dinosaur's skull and fern

• trilobites and warm's tunnel

• dinosaur's eggs and wood