Question 1

Life on Earth probably evolved in the ocean. Which statement supports this view?

Accepted Answer

A) The cellular makeup of all living organisms depends on saline water within their cells to dissolve and transport chemicals. 
B) Biosynthesis cannot occur without high concentrations of free oxygen, similar to the condition of Earth's early atmosphere and ocean. 
C) In laboratory experiments, complex life formed spontaneously in a solution similar to that of Earth's early ocean. 
D) The oldest fossils yet found are remnants of land-based organisms. 
A) The cellular makeup of all living organisms depends on saline water within their cells to dissolve and transport chemicals. 
B) Biosynthesis cannot occur without high concentrations of free oxygen, similar to the condition of Earth's early atmosphere and ocean. 
C) In laboratory experiments, complex life formed spontaneously in a solution similar to that of Earth's early ocean. 
D) The oldest fossils yet found are remnants of land-based organisms.

Question 2

Which statement is most consistent with the scientific method?

Accepted Answer

A) Hypotheses cannot be revised after they are proposed. 
B) Hypotheses are tested through observation and controlled experiments. 
C) Scientific laws always arise fully formed and in correlating groups. 
D) Theories cannot be modified after they are tested. 
A) Hypotheses cannot be revised after they are proposed. 
B) Hypotheses are tested through observation and controlled experiments. 
C) Scientific laws always arise fully formed and in correlating groups. 
D) Theories cannot be modified after they are tested.

Question 3

The world ocean ____.

Accepted Answer

A) plays a minor role in the weather and shape of landmasses of Earth 
B) does not influence the way organisms live on land 
C) dramatically influences weather, nurtures life, and provides crucial natural resources 
D) has an average depth that represents over half of Earth's radius 
A) plays a minor role in the weather and shape of landmasses of Earth 
B) does not influence the way organisms live on land 
C) dramatically influences weather, nurtures life, and provides crucial natural resources 
D) has an average depth that represents over half of Earth's radius

Question 4

Based on supporting evidence of the Mars "ocean" hypothesis, which statement is true?

Accepted Answer

A) Mars has an ocean today. 
B) Mars has an ocean, and it is probably hidden in vast caverns beneath the surface of the planet. 
C) Mars may have had an ocean in the distant past, between 3.2 and 1.2 billion years ago. 
D) Mars may have had an ocean until very recently. 
A) Mars has an ocean today. 
B) Mars has an ocean, and it is probably hidden in vast caverns beneath the surface of the planet. 
C) Mars may have had an ocean in the distant past, between 3.2 and 1.2 billion years ago. 
D) Mars may have had an ocean until very recently.

Question 5

Which phrase best describes biosynthesis?

Accepted Answer

A) The discovery of organic molecules in space 
B) The evolution of living organisms from simple organic building blocks 
C) The evolution of inorganic molecules in seawater 
D) Experiments that show that early organisms lived in an oxygen-free environment 
A) The discovery of organic molecules in space 
B) The evolution of living organisms from simple organic building blocks 
C) The evolution of inorganic molecules in seawater 
D) Experiments that show that early organisms lived in an oxygen-free environment

Life on Earth probably evolved in the ocean. Which statement supports this view?

Which statement is most consistent with the scientific method?

The world ocean ____.

Based on supporting evidence of the Mars "ocean" hypothesis, which statement is true?

Which phrase best describes biosynthesis?

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 1: The Origin of the Ocean

Life on Earth probably evolved in the ocean. Which statement supports this view?

Which statement is most consistent with the scientific method?

The world ocean ____.

Based on supporting evidence of the Mars "ocean" hypothesis, which statement is true?

Which phrase best describes biosynthesis?

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters