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Worksheetsfossil
Total questions: 25
Worksheet time: 25mins
Which of the following terms is the most accurate expression for the traces and remains
Fossils.
petrification
extinction
red list
______ is/are from the suitable conditions for fossil formation of any organism.
A hard skeleton
A medium protects it from decomposition
Buried immediately after death
All the answers
What is the kind of fossil that is formed when a plant leaf falls on a soft sedimentary rock at the beginning of formation, then hardening ?
Trace
Cast.
Mold.
none
What is the difference between Mammoth fossil and amber fossil:
the medium of preservation
mammoth is a trace
amber is a remain
none
What is meant by index fossils
They are fossils of organisms that had lived for a short period of time in the past and had a wide geographic distribution, then became extinct.
They are fossils of organisms that had lived for a long period of time in the past and had a wide geographic distribution, then became extinct.
They are fossils of organisms that had lived for a short period of time in the past and had a small geographic distribution, then became extinct.
none
Petrified woods are considered from rocks
true
false
Nummulites fossil is used in determination the age of sedimentary
rocks.
true
false
coral fossils indicate that the environment where they lived
was clear warm shallow seas.
true
false
Ferns fossils indicate that the environment where they lived
was a sea floor
true
false
The________ is what the living organism leave after its death
in the sedimentary rocks.
remain
trace
mold
none
Worms' tunnels fossil is from __________ of an old living organisms.
trace
remains
mold fossil
cast fossil
El-mokattam mountain was a part of a sea floor more than 35 million years ago due to :
Nummulites fossils
coral fossils
mold fossils
cast fossils
Index fossils used to :
indicate the age of sedimentary rocks
indicate the age of igneous rocks
indicate the age of earth
none
Fossils used to :
Figuring out the paleoenvironment
Age determination of sedimentary rocks
studying life evolution and Petroleum exploration
all answers
ferns fossils indicate the environment was a sea floor
true
false
give reason : elmokatam mountain was a part of sea floor more than 35 million years ago
mention one use of index fossils
the suitable medium for formation the mammoth fossil is (a) -
the first mammoth fossil was discovered in the last century which kept as (a) fossil
the resinous matter is serrated from
------------- trees
(a)
mold of snail carries the (a) details for the snail
petrified woods are considered as a rocks
true
false
worms tunnels fossils is form remains of an old living organisms
true
false
type of fossil:
nummulite cast
ammonites cast
nummulite solid mold
ammonites solid mold
it is the replica of the internal details of the structure of an old living organism
solid mold fossil
cast fossil
whole body fossil
petrified fossil
