Question 1

Using the characteristics that define life, compare and contrast a plant, a bacterium, and a salt crystal.

Accepted Answer

Cellular in structure: A plant (eukaryot

Question 2

Which statement concerning a scientific theory is FALSE?

Accepted Answer

A)  It is unchangeable. 
B)  It predicts new facts. 
C)  It is based on a number of hypotheses. 
D)  It may suggest practical applications. 
E)  It is supported by many observations. 
A)  It is unchangeable. 
B)  It predicts new facts. 
C)  It is based on a number of hypotheses. 
D)  It may suggest practical applications. 
E)  It is supported by many observations.

Question 3

You discover an organism that is eukaryotic, unicellular, and photosynthetic. Based on this evidence, to which group would you assign this organism?

Accepted Answer

A)  domain Bacteria 
B)  protist group 
C)  kingdom Fungi 
D)  kingdom Plantae 
E)  domain Archaea 
A)  domain Bacteria 
B)  protist group 
C)  kingdom Fungi 
D)  kingdom Plantae 
E)  domain Archaea

Question 4

A falsifiable hypothesis cannot be tested. 
__________________

Accepted Answer

A) True 
 B)False

Question 5

Which scenario best describes a double-blind study?

Accepted Answer

A)  The investigator and the subjects wear blindfolds. 
B)  No one knows what is in the experimental or control group 
C)  The subjects do not know if they are in the experimental or control group. 
D)  Neither the investigator or the subjects know if they are in the experimental or control group. 
E)  The investigator does not know if subjects are in the experimental or control group. 
A)  The investigator and the subjects wear blindfolds. 
B)  No one knows what is in the experimental or control group 
C)  The subjects do not know if they are in the experimental or control group. 
D)  Neither the investigator or the subjects know if they are in the experimental or control group. 
E)  The investigator does not know if subjects are in the experimental or control group.

Question 6

To which Phylum do humans belong?

Accepted Answer

A)  Animalia 
B)  Chordata 
C)  Vertebrata 
D)  Mammalia 
E)  Homo sapiens 
A)  Animalia 
B)  Chordata 
C)  Vertebrata 
D)  Mammalia 
E)  Homo sapiens

Question 7

What is an end product of cellular respiration?

Accepted Answer

A)  sugar 
B)  light 
C)  oxygen 
D)  glucose 
E)  carbon dioxide 
A)  sugar 
B)  light 
C)  oxygen 
D)  glucose 
E)  carbon dioxide

Question 8

How does a prokaryotic cell differ from a eukaryotic cell?

Accepted Answer

A)  A prokaryotic cell has no membrane-enclosed organelles. 
B)  A prokaryotic cell has a plasma membrane. 
C)  A prokaryotic cell contains organelles. 
D)  A prokaryotic cell has a nucleus. 
E)  A prokaryotic cell has DNA. 
A)  A prokaryotic cell has no membrane-enclosed organelles. 
B)  A prokaryotic cell has a plasma membrane. 
C)  A prokaryotic cell contains organelles. 
D)  A prokaryotic cell has a nucleus. 
E)  A prokaryotic cell has DNA.

Question 9

Which statement represents a good hypothesis?

Accepted Answer

A)  Shoofly pie tastes good. 
B)  There is life after death. 
C)  Hemophilia is also known as "bleeder's disease." 
D)  The swimming speed of Artemia increases at higher temperatures. 
E)  Sparrows, robins, hawks, and pigeons are all birds and have wings; therefore, all birds have wings. 
A)  Shoofly pie tastes good. 
B)  There is life after death. 
C)  Hemophilia is also known as "bleeder's disease." 
D)  The swimming speed of Artemia increases at higher temperatures. 
E)  Sparrows, robins, hawks, and pigeons are all birds and have wings; therefore, all birds have wings.

Question 10

What would be the ultimate effect on an ecosystem if decomposers were eliminated?

Accepted Answer

A)  The rate of photosynthesis would increase. 
B)  The consumers would have to eat twice as much. 
C)  Energy flow between producers and consumers would increase. 
D)  All life would eventually cease as nutrients would no longer be available. 
E)  Producers would outgrow consumers due to the excess of carbon dioxide. 
A)  The rate of photosynthesis would increase. 
B)  The consumers would have to eat twice as much. 
C)  Energy flow between producers and consumers would increase. 
D)  All life would eventually cease as nutrients would no longer be available. 
E)  Producers would outgrow consumers due to the excess of carbon dioxide.

Question 11

What is the purpose of the cilia and flagella of cells?

Accepted Answer

A)  They generate the cell's metabolism. 
B)  They provide movement for the cell. 
C)  They help maintain homeostasis. 
D)  They generate cell signaling. 
E)  They contract muscles. 
A)  They generate the cell's metabolism. 
B)  They provide movement for the cell. 
C)  They help maintain homeostasis. 
D)  They generate cell signaling. 
E)  They contract muscles.

Question 12

A DNA molecule is made up of:

Accepted Answer

A)  lipids 
B)  proteins 
C)  nucleotides 
D)  fatty acids 
E)  carbohydrates 
A)  lipids 
B)  proteins 
C)  nucleotides 
D)  fatty acids 
E)  carbohydrates

Question 13

Which is a required structure of a photosynthetic organism?

Accepted Answer

A)  neurons 
B)  cellulose 
C)  skeleton 
D)  chloroplasts 
E)  immune system 
A)  neurons 
B)  cellulose 
C)  skeleton 
D)  chloroplasts 
E)  immune system

Question 14

In living organisms, chemical reactions responsible for growth, repair, and nutrition are collectively referred to as:

Accepted Answer

A)  development 
B)  metabolism 
C)  adaptation 
D)  genetics 
E)  homeostasis 
A)  development 
B)  metabolism 
C)  adaptation 
D)  genetics 
E)  homeostasis

Question 15

The term development refers to all the changes that occur during the life cycle of an organism. __________________

Accepted Answer

A) True 
 B)False

Question 16

Design a complete ecosystem that would sustain a number of living organisms for several years in a sealed container. The only thing that can be added is sunlight. Explain why you have selected each organism.

Accepted Answer

Concepts to Consider: Include producers

Question 17

With deductive reasoning, you draw conclusions from specific observations. 
__________________

Accepted Answer

A) True 
 B)False

Question 18

Which is a characteristic of a good hypothesis?

Accepted Answer

A)  It is falsifiable. 
B)  It is a statement of fact. 
C)  It can only be tested once. 
D)  It can be proven to be true. 
E)  It represents important conclusions. 
A)  It is falsifiable. 
B)  It is a statement of fact. 
C)  It can only be tested once. 
D)  It can be proven to be true. 
E)  It represents important conclusions.

Question 19

Which is a benefit of sexual reproduction over asexual reproduction?

Accepted Answer

A)  More offspring can be produced. 
B)  The offspring are all identical to the parents. 
C)  There is less variation from generation to generation. 
D)  Evolution will occur at a slower rate when there are two parents. 
E)  The interaction of the genes from both parents brings about genetic variation. 
A)  More offspring can be produced. 
B)  The offspring are all identical to the parents. 
C)  There is less variation from generation to generation. 
D)  Evolution will occur at a slower rate when there are two parents. 
E)  The interaction of the genes from both parents brings about genetic variation.

Question 20

Similar families of organisms are next grouped together in the same:

Accepted Answer

A)  class 
B)  order 
C)  genus 
D)  phylum 
E)  kingdom 
A)  class 
B)  order 
C)  genus 
D)  phylum 
E)  kingdom

Exam 1: A View of Life

Using the characteristics that define life, compare and contrast a plant, a bacterium, and a salt crystal.

Which statement concerning a scientific theory is FALSE?

You discover an organism that is eukaryotic, unicellular, and photosynthetic. Based on this evidence, to which group would you assign this organism?

A falsifiable hypothesis cannot be tested. __________________

Which scenario best describes a double-blind study?

To which Phylum do humans belong?

What is an end product of cellular respiration?

How does a prokaryotic cell differ from a eukaryotic cell?

Which statement represents a good hypothesis?

What would be the ultimate effect on an ecosystem if decomposers were eliminated?

What is the purpose of the cilia and flagella of cells?

A DNA molecule is made up of:

Which is a required structure of a photosynthetic organism?

In living organisms, chemical reactions responsible for growth, repair, and nutrition are collectively referred to as:

The term development refers to all the changes that occur during the life cycle of an organism. __________________

Design a complete ecosystem that would sustain a number of living organisms for several years in a sealed container. The only thing that can be added is sunlight. Explain why you have selected each organism.

With deductive reasoning, you draw conclusions from specific observations. __________________

Which is a characteristic of a good hypothesis?

Which is a benefit of sexual reproduction over asexual reproduction?

Similar families of organisms are next grouped together in the same:

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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