Worksheetsprep 2 , unit 3 , lesson 1 , part 2
Total questions: 12
Worksheet time: 6mins
When mud fills up the shell cavities and solidify, then shell decomposes......... is produced.
a solid mold
a cast
a petrified wood
an amber fossil
Is the cake considered as a solid mold, why?.........
Yes, because it carries the same external details of the mold.
Yes, because it carries the same internal details of the mold.
No, because it carries the same internal and external details of the mold.
No, because it doesn't carry any details of the mold.
To obtain a fossil of any organism, all the following can expect to be available for it except that it ...........
has a hard skeleton.
rapidly burying after death.
has a medium protects it from.
has a soft body.
Fossils are important for all the following except
determination of sedimentary rocks age.
studying the kinds of metals.
petroleum exploration.
figuring out the paleoenvironment.
Are the dinosaur's eggs considered as examples of petrified fossils?
Yes, because minerals replace whose organic matter part by part.
Yes, because they carry the internal details of the eggs.
No, because they aren't considered as fossils.
No, because they show the remains of dinosaur after its death.
What happened when minerals replaced the wood of the tree's stems and trunks, which are older than 35 million years?...........
A complete body fossil has been formed.
A petrified fossil has been formed.
A trilobite fossil has been formed.
A dinosaur tooth fossil has been formed.
.......... fossils are the fossils of organisms that had lived for a short period of time in the past and had a wide geographical range, then became extinct.
Petrified
Index
Ferns
Coral
Not all the fossils are considered as index fossils and that is because they are characterized by............
long range of time and limited geographical range.
short range of time and wide geographical range.
long range of time and wide geographical range.
short range of time and limited geographical range.
.........fossils are found in the limestone rocks of El-Mokattam mountain.
Ferns
Coral
Nummulites
Index
.............fossils indicate that the environment where they lived was a hot and rainy tropical environment.
Ferns
Coral
Nummulites
Archaeopteryx
Life started first in........
mountain tops.
rivers.
Earth.
seas.
..........is one of invertebrates that appeared in seas.
Mammoth
Archaeopteryx
Fish
Trilobite
