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Q 1/64
Score 0
Fossilized tree sap.
30
Amber
Q 2/64
Score 0
The remains of an ancient organism. Examples include shells, bones, teeth, and leaves.
30
Body-fossil
64 questions
Q.
Fossilized tree sap.
1
30 sec
Q.
The remains of an ancient organism. Examples include shells, bones, teeth, and leaves.
2
30 sec
Q.
A mold filled with sediment and hardened to create a replica of the original fossil.
3
30 sec
Q.
The process of becoming a fossil.
4
30 sec
Q.
A fossil indicates the relative age of the rock in which it is found. Index fossils come from species that were widespread but existed for a relatively brief period of time.
5
30 sec
Q.
A fossil that must be studied with the aid of a microscope.
6
30 sec
Q.
An impression made in sediments by the hard parts of an organism.
7
30 sec
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Fossilization in which minerals in water deposit into empty spaces in an organism.
8
30 sec
Q.
Evidence of the activity of an ancient organism; e.g. tracks, tubes, and bite marks.
9
30 sec
Q.
A rock unit that is defined by a characteristic index fossil or fossil assemblage.
10
30 sec
Q.
One of Steno's principles that states that an intrusion or fault is younger than the rocks that it cuts through
11
30 sec
Q.
A division of Earth's history into blocks of time distinguished by geologic and evolutionary events.
12
30 sec
Q.
A distinctive, widespread rock layer that formed at a single time.
13
30 sec
Q.
A sedimentary rock layer that extends sideways as wide as the basin in which it forms.
14
30 sec
Q.
Sedimentary layers that were deposited horizontally.
15
30 sec
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The age of an object in comparison with the age of other objects.
16
30 sec
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In a sequence of sedimentary rock layers, the oldest is at the bottom and the youngest is at the top.
17
30 sec
Q.
A gap between rocks of very different ages. Unconformities are often marked by an erosional surface.
18
30 sec
Q.
Natural processes operated the same way throughout Earth's history as they do today.
19
30 sec
Q.
The actual age of a material in years.
20
30 sec
Q.
The product of the radioactive decay of a parent isotope.
21
30 sec
Q.
The amount of time required for half of the atoms of a radioactive substance to decay to the daughter product.
22
30 sec
Q.
Cylinder of ice extracted from a glacier or ice sheet.
23
30 sec
Q.
An unstable isotope that will undergo radioactive decay.
24
30 sec
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Substance that is unstable and likely to decay into another isotope.
25
30 sec
Q.
Emission of high-energy particles by unstable isotopes.
26
30 sec
Q.
Process of using the concentrations of radioactive substances and daughter products to estimate the age of a material.
27
30 sec
Q.
Rings of wood equaling one year of tree growth in a tree trunk.
28
30 sec
Q.
the separation of planetary materials by density to create distinctly different layers
29
30 sec
Q.
the transfer of gases from Earth's mantle is the atmosphere by volcanic eruptions
30
30 sec
Q.
a scientist who studies Earth's past life forms
31
30 sec
Q.
organic molecules that are the building blocks of life
32
30 sec
Q.
the ancient Precambrian felsic continental crust that forms the cores of the continents
33
30 sec
Q.
single-celled prokaryotes that were extremely abundant in the Precambrian that change the atmosphere to 1 containing oxygen
34
30 sec
Q.
a cell with separate nucleus to hold its DNA and RNA
35
30 sec
Q.
a species dies out either by simply dying out or by evolving into another species
36
30 sec
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a metamorphosed volcanic rock that forms at a subduction zone
37
30 sec
Q.
l u c a
38
30 sec
Q.
the chemical work of cells the chemical reactions in living organism needs to live grow and reproduce
39
30 sec
Q.
microscopic life form; microorganism; germ
40
30 sec
Q.
a fragment of crust that is smaller than a continent
41
30 sec
Q.
the arrangement of the continents Ancient geography
42
30 sec
Q.
biological molecules necessary for Life includes DNA and RNA
43
30 sec
Q.
the process in which plants produce simple sugars food energy from carbon dioxide water and energy from sunlight that uses carbon dioxide and releases oxygen
44
30 sec
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a craton it's overlying younger sedimentary rocks
45
30 sec
Q.
an organism that lacks a cell nucleus or membrane-bound organelles
46
30 sec
Q.
RNA was the first nucleic acid and the only one at the beginning of Life
47
30 sec
Q.
part of a craton that crops out at the surface
48
30 sec
Q.
Reef like cyanobacteria that still exist today
49
30 sec
Q.
a collection of continents that have come together because of the plate tectonics processes
50
30 sec
Q.
relationships between two species in which at least one species benefits
51
30 sec
Q.
characteristic sedimentary rock layers that indicate processes and environments in which they were formed
52
30 sec
Q.
the falling of the sea level so that Seas no longer cover the continents
53
30 sec
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the rising of the sea level over the continents
54
30 sec
Q.
a mountain building event usually taking place over tens or hundreds of millions of years
55
30 sec
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a trait that an organism inherits that helps it survive in its natural environment
56
30 sec
Q.
an explosion in the diversity of a species as vacant niches are filled it often occurs after a mass extinction
57
30 sec
Q.
an egg that contains all the nutrients needed for the developing embryo and is protected by a shell
58
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the change in the genetic makeup of a population of organisms over time such that new species is often the result, change over time
59
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a change in the genetic makeup of a population of organisms that can be beneficial harmful or neutral
60
30 sec
Q.
the mechanism for evolution. Natural processes favor some traits over others in a population causing those traits to be more common and subsequent generations. This results and change to a new species or subspecies
61
30 sec
Q.
a scientist who studies fossils to learn about organisms that lived long ago
