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WorksheetsDeep History of the Earth: Part 1
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Most species that have ever lived are not living today.
a)
True
b)
False
2.
The normal loss of species through time is generally balanced by the rise of new species.
a)
True
b)
False
3.
How old is the Earth?
a)
Over 4 billion years old
b)
Over 4 million years old
c)
Over 2 billion years old
d)
Over 2 million years old
4.
_________ was formed by an increase in temperature followed by cooling and stratification, causing it to have layers.
a)
Earth
b)
Cells
c)
Animals
d)
Plants
5.
What was the only life present during early Earth?
a)
microbial
b)
small multicellular
c)
plant
6.
What allowed larger, more complex life to form during ancient Earth?
a)
oxygen in the oceans and atmosphere
b)
carbon dioxide increased in the atmosphere
c)
high energy, inorganic compounds
7.
What is the hallmark of eukaryotes?
a)
organelles
b)
DNA
c)
cell membrane (phospholipid bilayer)
d)
ribosomes
8.
Mitochondria and chloroplasts were probably:
a)
captured bacteria that carried out important energy processes
b)
the result of many mutations to the DNA that form ribosomes
c)
organelles that were important in ancient times but are no longer useful today
9.
The oldest eukaryotic fossils are from which organism?
a)
Grypania spiralis
b)
Trilobites
c)
Dimetrodons
d)
Homo sapiens
10.
___ reproduction increased genetic variation, which led to an increased rate of evolution and the diversification of eukaryotes.
a)
Sexual
b)
Asexual
11.
Which type of biomolecule tends to be the most well preserved?
a)
Lipids like cholesterol
b)
Carbohydrates like glucose
c)
Nucleic acids like adenine
d)
Proteins like the amino acid proline
12.
Animals arose early in Earth's history, like 800 million years ago, but diversified and grew in size later because of:
a)
increased sunlight
b)
increased argon in the atmosphere
c)
increased oxygen in the oceans and atmosphere
d)
increased ultra violet light
13.
Which is NOT a piece of evidence for ancient life on Earth?
a)
stromatolites
b)
banded iron formations
c)
isotopic ratios resulting from biological processess
d)
the presence of Earth's atmosphere
14.
The oldest eukaryotic fossils are from which organism?
a)
Grypania spiralis
b)
Trilobites
c)
Dimetrodons
d)
Homo sapiens
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