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Early Earth Biology

Total questions: 26

Worksheet time: 23mins

Name
Class
Date
1.

Which of the following has the monomer of amino acids?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

2.
The theory of Endosymbiosis explains
a)
The origin of eukaryotes
b)
How species develop
c)
How bacteria live
d)
Why cells rely on one another
3.

Miller and Urey's experiment suggests that...

a)

organic compounds necessary for life (amino acids) could have arisen from simpler compounds

b)

the sun powers all life

c)

primitive compounds can be made from super complex compounds

d)

applied pressure can form polypeptides

4.
___________________ evolved after RNA
a)
amino acids
b)
atoms
c)
DNA
d)
molecules
5.

The belief that living things arise from non-living things is:

a)

punctuated equillibrium

b)

natural selection

c)

spontaneous generation

d)

microevolution

6.

In the experiment below, maggots will probably appear in

a)

Both Jars

b)

Only the covered jar

c)

Only the uncovered jar

d)

Neither Jar

7.
A remnant or trace of an organism from the past is called a _______.
a)
Ancestor
b)
Skeleton
c)
Fossil
d)
Imprints
8.

What was the result of the Miller-Urey Experiment? (the brown goo)

a)

amino acids

b)

nucleotides

c)

lipids

d)

glucose

9.

Which of these are the ingredients NEEDED for life to form?

a)

organic macromolecules/biomolecules

b)

atoms

c)

methane

d)

inorganic molecules

10.

Miller/Urey and other scientists studying the origin of life have shown that:

a)

Formation of life on early Earth required material from space

b)

Simple cells can be produced in a laboratory using spontaneous generation

c)

Oxygen and water were present in the atmosphere to support life

d)

Organic molecules like amino acids and nucleotides could be produced from abiotic/inorganic molecules

11.
Miller/Urey and other scientists have shown that:
a)
 Life on early Earth required material from space
b)
Cells survived in the primitive atmosphere
c)
Amino acids could be produced from inorganic molecules 
d)
Simple cells can be produced in a laboratory
12.
Based upon the conditions of the early Earth, which forms of live most likely appeared first?
a)
Prokaryotic and aerobic
b)
Prokaryotic and anaerobic 
c)
Eukaryotic and aerobic
d)
Eukaryotic and anaerobic
13.

Which came first?

a)

Oxygen

b)

Photosynthetic bacteria (cyanobacteria)

14.

Which of the following was probably not present in the atmosphere of the primitive Earth?

a)

Methane

b)

Oxygen

c)

Water

d)

Carbon dioxide

15.

Cells without a nucleus are said to be _____________________.

a)

Rod Cell

b)

Tail cell

c)

Prokaryotic

d)

Eukaryotic

16.
The term unicellular refers to an organism with many cells.
a)
True
b)
False
17.
The electrical sparks mimicked?
a)
The Sun's energy
b)
Lightning
c)
Volcanic eruptions
d)
Cosmic radiation
18.

The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?

a)

Amino acids spontaneously form from molecules in the atmosphere today

b)

Organic molecules are present today in extremely high concentrations

c)

The process of making organic molecules from a mixture of gases has been successfully modeled in the laboratory

d)

No other alternative hypotheses have been introduced

19.
The apparatus in the experiment was used to mimic what?
a)
Proteins
b)
Present Earth conditions
c)
Early Earth conditions
d)
Nucleic acids (DNA/RNA)
20.
Which piece of evidence BEST supports the endosymbiotic theory of organelle evolution?
a)
Mitochondria and chloroplast are the same size as present day extant bacteria.
b)
They divide by a process that is similar to meiosis.
c)
Mitochondria and chloroplast both contain DNA and can make their own proteins.
21.
4.6 Billion years ago the earth's atmosphere was too poisonous for life to exist.
a)
True
b)
False
22.
What process is shown within this diagram?
a)
Natural selection
b)
Endosymbiosis
c)
Chemical evolution
d)
Abiogenesis
23.

Which describes spontaneous generation?

a)

All cells come from other cells

b)

Prokaryotes endocytosed other prokaryotes to form eukaryotes

c)

Creation of life from nonliving materials

d)

Evolution through natural selection

24.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
25.

Which rock layer most likely contains fossils of the oldest organisms?

a)

1

b)

2

c)

3

d)

4

26.

Which rock layer contains the newest fossils?

a)

B

b)

C

c)

D

d)

E

e)

F