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Q 1/17
Score 0
Which of the following is the BEST definition of a fossil?
30
the preserved remains or traces of an organism that lived in the past
plants, trees, and insects that are preserved in amber
a preserved organism found in rock
a body part of an animal that has been buried for many years
Q 2/17
Score 0
Which of the following are types of fossils?
30
mold, cast, oxygenized
petrified, ash
mold, cast, carbonized
trace, mold, mineralized
17 questions
Q.
Which of the following is the BEST definition of a fossil?
1
30 sec
Q.
Which of the following are types of fossils?
2
30 sec
Q.
This type of fossil forms when a mold is filled with sand or mud and hardens into the shape of the organism
3
30 sec
Q.
This type of fossil forms when organisms or parts of organisms are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away, leaves behind a carbon imprint in a rock
4
30 sec
Q.
This type of fossil forms when sediments bury an organism and sediments change into rock, leaving a cavity in the shape of the organism
5
30 sec
Q.
This type of fossil forms when the mud or sand hardens to stone where a footprint, trail or burrow of an organisms was left behind
6
30 sec
Q.
This type of fossil forms when minerals soak into buried remains, replacing the remains and changing them into rock
7
30 sec
Q.
This type of fossil forms when entire organisms are prevented from decaying by being trapped in rock, ice, tar, or amber
8
30 sec
Q.
What happens at the end of each era of the geologic time scale?
9
30 sec
Q.
What is the BEST definition of an era?
10
30 sec
Q.
Which characteristics belong to the precambrian era?
11
30 sec
Q.
Which characteristics belong to the paleozoic era?
12
30 sec
Q.
Which characteristics belong to the mesozoic era?
13
30 sec
Q.
Which characteristics belong to the cenozoic era?
14
30 sec
Q.
Across geologic time, the diversity of life-forms increases and the _______________ of life forms increases.
15
30 sec
Q.
What are two ways to determine relative age?
16
30 sec
Q.
What is a type of dating used to give an absolute geologic age?
