Question 1

Which of the following statements is a hypothesis rather than a theory?

Accepted Answer

A)  Matter is composed of atoms. 
B)  Female birds prefer to mate with male birds that have longer tails. 
C)  Modern organisms descended from preexisting life-forms. 
D)  Living things are made of cells. 
A)  Matter is composed of atoms. 
B)  Female birds prefer to mate with male birds that have longer tails. 
C)  Modern organisms descended from preexisting life-forms. 
D)  Living things are made of cells.

Question 2

Scientific experimentation generally leads to more questions.

Accepted Answer

A) True 
 B)False

Question 3

All of the following are examples of adaptations EXCEPT

Accepted Answer

A)  larger teeth in beavers for gnawing wood. 
B)  mice learning a maze to get food. 
C)  insects that resemble twigs. 
D)  different beak shapes for birds that eat seeds or insects. 
E)  flower coloration that attracts pollinators. 
A)  larger teeth in beavers for gnawing wood. 
B)  mice learning a maze to get food. 
C)  insects that resemble twigs. 
D)  different beak shapes for birds that eat seeds or insects. 
E)  flower coloration that attracts pollinators.

Question 4

Which of the following levels of organization is the most inclusive (i.e., includes the most life-forms)?

Accepted Answer

A)  Community 
B)  Population 
C)  Ecosystem 
D)  Species 
E)  Biosphere 
A)  Community 
B)  Population 
C)  Ecosystem 
D)  Species 
E)  Biosphere

Question 5

Variation among organisms is due to mutations.

Accepted Answer

A) True 
 B)False

Question 6

A change in the genetic makeup of a species over time is called

Accepted Answer

A)  adaptation. 
B)  natural causality. 
C)  mutation. 
D)  evolution. 
A)  adaptation. 
B)  natural causality. 
C)  mutation. 
D)  evolution.

Question 7

Evolution is sometimes described as the change from preexisting life -forms to modern-day organisms. What actually changes, in every case of evolution, is the

Accepted Answer

A)  genetic makeup of the species, due to mutations. 
B)  ability of organisms to respond to external stimuli. 
C)  speciesʹ physical appearance. 
D)  energy and nutritional demands of the organism. 
E)  rate of reproduction. 
A)  genetic makeup of the species, due to mutations. 
B)  ability of organisms to respond to external stimuli. 
C)  speciesʹ physical appearance. 
D)  energy and nutritional demands of the organism. 
E)  rate of reproduction.

Question 8

All of the following are true of all living organisms EXCEPT that they

Accepted Answer

A)  respond to stimuli. 
B)  can reproduce themselves. 
C)  can grow. 
D)  possess either DNA or RNA. 
E)  are made of cells. 
A)  respond to stimuli. 
B)  can reproduce themselves. 
C)  can grow. 
D)  possess either DNA or RNA. 
E)  are made of cells.

Question 9

All of the following are important to the theory of evolution EXCEPT

Accepted Answer

A)  changes in individuals within their lifetimes. 
B)  variation in traits within an entire population. 
C)  environmental change. 
D)  mutations. 
E)  inheritance of traits. 
A)  changes in individuals within their lifetimes. 
B)  variation in traits within an entire population. 
C)  environmental change. 
D)  mutations. 
E)  inheritance of traits.

Question 10

Errors or changes in the DNA of an organism are called _________.

Accepted Answer

The answer of Errors or changes in the DNA of...

Question 11

For the following question(s), choose the characteristic of a living organism that best corresponds to each statement. Selections may be used once, more than once, or not at all.
-Over time, the average neck length of giraffes has increased. Only those giraffes with longer necks survived by eating the leaves high up on the trees, and they were able to reproduce and pass those long-neck genes on to the next generation.

Accepted Answer

A) 	Response to stimuli 
B) 	Reproduction 
C) 	Growth 
D) 	Evolution 
A) 	Response to stimuli 
B) 	Reproduction 
C) 	Growth 
D) 	Evolution

Question 12

In a word, ʺevolutionʺ means

Accepted Answer

A)  nature. 
B)  change. 
C)  improvement. 
D)  selection. 
A)  nature. 
B)  change. 
C)  improvement. 
D)  selection.

Question 13

The experiments of Francesco Redi

Accepted Answer

A)  disproved the idea of spontaneous generation. 
B)  determined that fly larvae were present in raw meat, and when left on the counter they turned into flies. 
C)  used the scientific method to prove the idea of spontaneous generation. 
D)  disproved the scientific method. 
E)  disproved that maggots and flies were related. 
A)  disproved the idea of spontaneous generation. 
B)  determined that fly larvae were present in raw meat, and when left on the counter they turned into flies. 
C)  used the scientific method to prove the idea of spontaneous generation. 
D)  disproved the scientific method. 
E)  disproved that maggots and flies were related.

Question 14

Scientific theories are the same in any part of the world (meaning they do not vary by location).

Accepted Answer

A) True 
 B)False

Question 15

An organismʹs ability to detect stimuli from either the internal or external environment is called

Accepted Answer

A)  responsiveness. 
B)  mutation. 
C)  evolution. 
D)  DNA. 
E)  natural selection. 
A)  responsiveness. 
B)  mutation. 
C)  evolution. 
D)  DNA. 
E)  natural selection.

Question 16

A scientific explanation that is conditional and requires more investigation is called a(n)

Accepted Answer

A)  control. 
B)  fact. 
C)  hypothesis. 
D)  theory. 
E)  observation. 
A)  control. 
B)  fact. 
C)  hypothesis. 
D)  theory. 
E)  observation.

Question 17

Which is the correct sequence of increasing organization?

Accepted Answer

A)  Cell, tissue, organ, organ system 
B)  Molecule, cell, organelle, organ 
C)  Organelle, tissue, cell, organ 
D)  Organ, tissue, cell, molecule 
E)  Atom, molecule, tissue, cell 
A)  Cell, tissue, organ, organ system 
B)  Molecule, cell, organelle, organ 
C)  Organelle, tissue, cell, organ 
D)  Organ, tissue, cell, molecule 
E)  Atom, molecule, tissue, cell

Question 18

For the following question(s), choose the characteristic of a living organism that best corresponds to each statement. Selections may be used once, more than once, or not at all.
-A bacterium divides into two bacteria that are identical to, but smaller than, the original bacterium.

Accepted Answer

A) 	Response to stimuli 
B) 	Reproduction 
C) 	Growth 
D) 	Evolution 
A) 	Response to stimuli 
B) 	Reproduction 
C) 	Growth 
D) 	Evolution

Question 19

Prokaryotic cells have a true nucleus and eukaryotic cells do not.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is FALSE about scientific theories?

Accepted Answer

A)  They are developed by inductive reasoning. 
B)  They can be either supported or modified by new observations. 
C)  They are used to support observations using deductive reasoning. 
D)  They have been thoroughly tested. 
E)  They are firmly established and cannot be refuted. 
A)  They are developed by inductive reasoning. 
B)  They can be either supported or modified by new observations. 
C)  They are used to support observations using deductive reasoning. 
D)  They have been thoroughly tested. 
E)  They are firmly established and cannot be refuted.

Exam 1: An Introduction to Life on Earth

Which of the following statements is a hypothesis rather than a theory?

Scientific experimentation generally leads to more questions.

All of the following are examples of adaptations EXCEPT

Which of the following levels of organization is the most inclusive (i.e., includes the most life-forms)?

Variation among organisms is due to mutations.

A change in the genetic makeup of a species over time is called

Evolution is sometimes described as the change from preexisting life -forms to modern-day organisms. What actually changes, in every case of evolution, is the

All of the following are true of all living organisms EXCEPT that they

All of the following are important to the theory of evolution EXCEPT

Errors or changes in the DNA of an organism are called _________.

In a word, ʺevolutionʺ means

The experiments of Francesco Redi

Scientific theories are the same in any part of the world (meaning they do not vary by location).

An organismʹs ability to detect stimuli from either the internal or external environment is called

A scientific explanation that is conditional and requires more investigation is called a(n)

Which is the correct sequence of increasing organization?

For the following question(s), choose the characteristic of a living organism that best corresponds to each statement. Selections may be used once, more than once, or not at all. -A bacterium divides into two bacteria that are identical to, but smaller than, the original bacterium.

Prokaryotic cells have a true nucleus and eukaryotic cells do not.

Which of the following is FALSE about scientific theories?

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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