Question 1

The marked rise in oxygen in Earth's atmosphere coincides with the first appearance of _________ in the rock record.

Accepted Answer

A) banded iron formation 
B) red beds 
C) eukaryotic algae 
D) both B and C 
A) banded iron formation 
B) red beds 
C) eukaryotic algae 
D) both B and C

Question 2

Microbes were the only organisms on Earth from 3.5 billion years ago to

Accepted Answer

A) 1 million years ago. 
B) 1 billion years ago. 
C) 2)5 billion years ago. 
D) 100 million years ago. 
A) 1 million years ago. 
B) 1 billion years ago. 
C) 2)5 billion years ago. 
D) 100 million years ago.

Question 3

How many major mass extinction events have taken place in the Phanerozoic eon?

Accepted Answer

A) three 
B) six 
C) five 
D) one 
A) three 
B) six 
C) five 
D) one

Question 4

Microbes live in

Accepted Answer

A) air. 
B) rocks. 
C) soil. 
D) air,rocks,and soil. 
A) air. 
B) rocks. 
C) soil. 
D) air,rocks,and soil.

Question 5

The second major rise in oxygen in Earth's atmosphere around 580 Ma was caused by

Accepted Answer

A) the radiation of multicellular photosynthetic organisms. 
B) the erosion of red beds. 
C) global volcanic activity. 
D) something that scientists are still uncertain about. 
A) the radiation of multicellular photosynthetic organisms. 
B) the erosion of red beds. 
C) global volcanic activity. 
D) something that scientists are still uncertain about.

Question 6

________ is a mineral found on the surface of Mars that indicates that the surface waters were very acidic.

Accepted Answer

A) Hematite 
B) Pyrite 
C) Jarosite 
D) Iron-oxide 
A) Hematite 
B) Pyrite 
C) Jarosite 
D) Iron-oxide

Question 7

Halophiles are _____ with a tolerance for high______.

Accepted Answer

A) thermophiles; salinity 
B) extremophiles; acidity 
C) acidophiles; temperature 
D) extremeophiles; salinity 
A) thermophiles; salinity 
B) extremophiles; acidity 
C) acidophiles; temperature 
D) extremeophiles; salinity

Question 8

Ecosystems are characterized by the exchange of _________ and ____________ between their organisms and their environments.

Accepted Answer

A) energy; matter 
B) plants; animals 
C) fluids; solids 
D) minerals; rocks 
A) energy; matter 
B) plants; animals 
C) fluids; solids 
D) minerals; rocks

Question 9

Sedimentary features that form from the interaction of microbes with their environment are called

Accepted Answer

A) nodules. 
B) stromatolites. 
C) branching columns. 
D) laminations. 
A) nodules. 
B) stromatolites. 
C) branching columns. 
D) laminations.

Question 10

What are chemofossils?

Accepted Answer

A) chemically treated fossil remains 
B) chemical remains of fossils 
C) minerals made by organisms 
D) organic molecules produced by microorganism that resist weathering 
A) chemically treated fossil remains 
B) chemical remains of fossils 
C) minerals made by organisms 
D) organic molecules produced by microorganism that resist weathering

Question 11

Photosynthesis became an important metabolic process approximately _____ years ago.

Accepted Answer

A) 3)5 billion 
B) 2)7 billion 
C) 2)5 billion 
D) 1)1 billion 
A) 3)5 billion 
B) 2)7 billion 
C) 2)5 billion 
D) 1)1 billion

Question 12

Ecosystems are composed of _________ and ____________ that function in a balanced manner.

Accepted Answer

A) multicellular organisms; single-celled organisms 
B) plants; animals 
C) organisms; plants 
D) organisms; geologic components 
A) multicellular organisms; single-celled organisms 
B) plants; animals 
C) organisms; plants 
D) organisms; geologic components

Question 13

The pathway through which a chemical element or molecule moves between the biological and environmental components of an ecosystem is called the

Accepted Answer

A) biogeochemical cycle. 
B) biomicrobial cycle. 
C) geometabolic cycle. 
D) geosynthesis cycle. 
A) biogeochemical cycle. 
B) biomicrobial cycle. 
C) geometabolic cycle. 
D) geosynthesis cycle.

Question 14

Of the following,humans are most related to

Accepted Answer

A) cyano-bacteria. 
B) methano-bacterium. 
C) slime molds. 
D) halobacterium. 
A) cyano-bacteria. 
B) methano-bacterium. 
C) slime molds. 
D) halobacterium.

The marked rise in oxygen in Earth's atmosphere coincides with the first appearance of _________ in the rock record.

Microbes were the only organisms on Earth from 3.5 billion years ago to

How many major mass extinction events have taken place in the Phanerozoic eon?

Microbes live in

The second major rise in oxygen in Earth's atmosphere around 580 Ma was caused by

________ is a mineral found on the surface of Mars that indicates that the surface waters were very acidic.

Halophiles are _ with a tolerance for high__.

Ecosystems are characterized by the exchange of _ and ____ between their organisms and their environments.

Sedimentary features that form from the interaction of microbes with their environment are called

What are chemofossils?

Photosynthesis became an important metabolic process approximately _____ years ago.

Ecosystems are composed of _ and ____ that function in a balanced manner.

The pathway through which a chemical element or molecule moves between the biological and environmental components of an ecosystem is called the

Of the following,humans are most related to

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Exam 11: Geobiology: Life Interacts With Earth

The marked rise in oxygen in Earth's atmosphere coincides with the first appearance of _________ in the rock record.

Microbes were the only organisms on Earth from 3.5 billion years ago to

How many major mass extinction events have taken place in the Phanerozoic eon?

Microbes live in

The second major rise in oxygen in Earth's atmosphere around 580 Ma was caused by

________ is a mineral found on the surface of Mars that indicates that the surface waters were very acidic.

Halophiles are _____ with a tolerance for high______.

Ecosystems are characterized by the exchange of _________ and ____________ between their organisms and their environments.

Sedimentary features that form from the interaction of microbes with their environment are called

What are chemofossils?

Photosynthesis became an important metabolic process approximately _____ years ago.

Ecosystems are composed of _________ and ____________ that function in a balanced manner.

The pathway through which a chemical element or molecule moves between the biological and environmental components of an ecosystem is called the

Of the following,humans are most related to

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Halophiles are _ with a tolerance for high__.

Ecosystems are characterized by the exchange of _ and ____ between their organisms and their environments.

Ecosystems are composed of _ and ____ that function in a balanced manner.