Question 1

Scientists are always thinking about ways to improve experimental design.In the text's potato chip experiment, which of these might do so?

Accepted Answer

A) show a different movie 
B) exclude teenagers as group members 
C) collect uneaten chip remains and weigh them for both groups 
D) provide free drinks 
E) use a smaller theater 
A) show a different movie 
B) exclude teenagers as group members 
C) collect uneaten chip remains and weigh them for both groups 
D) provide free drinks 
E) use a smaller theater

Question 2

The level of organization where factors such as sunlight, rainfall, and temperature enter the picture is the

Accepted Answer

A) organ system. 
B) ecosystem. 
C) biosphere. 
D) molecule. 
E) community. 
A) organ system. 
B) ecosystem. 
C) biosphere. 
D) molecule. 
E) community.

Question 3

All organisms are alike in their

Accepted Answer

A) requirements for energy. 
B) participation in one or more nutrient cycles. 
C) ultimate dependence on the sun. 
D) interaction with other forms of life. 
E) all of these. 
A) requirements for energy. 
B) participation in one or more nutrient cycles. 
C) ultimate dependence on the sun. 
D) interaction with other forms of life. 
E) all of these.

Question 4

Which premise used by Darwin in his theory is INCORRECTLY stated below?

Accepted Answer

A) More offspring are produced than will survive to reproduce. 
B) Members of populations show heritable variation. 
C) Some varieties have a better chance to survive and reproduce. 
D) Organisms that possess advantageous traits have a decreased chance of producing offspring. 
E) Some traits become more common because their bearers contribute more offspring to the next generation. 
A) More offspring are produced than will survive to reproduce. 
B) Members of populations show heritable variation. 
C) Some varieties have a better chance to survive and reproduce. 
D) Organisms that possess advantageous traits have a decreased chance of producing offspring. 
E) Some traits become more common because their bearers contribute more offspring to the next generation.

Question 5

Which of the following statements is NOT true?

Accepted Answer

A) Natural selection is based upon differential reproduction and survival. 
B) For evolution to occur in a population, there must be some variation. 
C) Most mutations have beneficial effects on traits. 
D) A population evolves when heritable change occurs in a line of descent. 
E) Over time, some genetic traits are more adaptive than others. 
A) Natural selection is based upon differential reproduction and survival. 
B) For evolution to occur in a population, there must be some variation. 
C) Most mutations have beneficial effects on traits. 
D) A population evolves when heritable change occurs in a line of descent. 
E) Over time, some genetic traits are more adaptive than others.

Question 6

Nonliving entities do NOT possess

Accepted Answer

A) energetic interactions. 
B) DNA. 
C) atoms. 
D) elements. 
E) any of these. 
A) energetic interactions. 
B) DNA. 
C) atoms. 
D) elements. 
E) any of these.

Question 7

In an experiment, the control group is

Accepted Answer

A) not subjected to experimental error. 
B) exposed to experimental treatments. 
C) maintained under strict laboratory conditions. 
D) treated exactly the same as the experimental group, except for one variable. 
E) statistically the most important part of the experiment. 
A) not subjected to experimental error. 
B) exposed to experimental treatments. 
C) maintained under strict laboratory conditions. 
D) treated exactly the same as the experimental group, except for one variable. 
E) statistically the most important part of the experiment.

Question 8

When different forms of a trait are becoming more or less common over successive generations, what is taking place?

Accepted Answer

A) natural selection 
B) adaptation 
C) survival of the fittest 
D) evolution 
E) none of these 
A) natural selection 
B) adaptation 
C) survival of the fittest 
D) evolution 
E) none of these

Question 9

Which of the following groups are made up of almost exclusively decomposers?

Accepted Answer

A) Plantae 
B) Fungi 
C) Animalia 
D) Monera 
E) Protista 
A) Plantae 
B) Fungi 
C) Animalia 
D) Monera 
E) Protista

Question 10

Which of the following are NOT eukaryotes?

Accepted Answer

A) fungi 
B) bacteria 
C) plants 
D) animals 
E) protistans 
A) fungi 
B) bacteria 
C) plants 
D) animals 
E) protistans

Question 11

The control in an experiment

Accepted Answer

A) makes the experiment valid. 
B) is an additional replicate for statistical purposes. 
C) reduces the experimental errors. 
D) minimizes experimental inaccuracy. 
E) is identical to the experimental group, but eliminates the characteristic or treatment being tested. 
A) makes the experiment valid. 
B) is an additional replicate for statistical purposes. 
C) reduces the experimental errors. 
D) minimizes experimental inaccuracy. 
E) is identical to the experimental group, but eliminates the characteristic or treatment being tested.

Question 12

For a cell to take up sugar from the bloodstream,

Accepted Answer

A) sugars must bind to receptors on cells of the pancreas. 
B) a person must have had a meal with sugar within the last twenty-four hours. 
C) homeostatic mechanisms must activate the blood-brain barrier. 
D) glycogen must be broken down to provide a supply of glucose. 
E) the pancreas must supply the appropriate enzymes to make sugar available. 
A) sugars must bind to receptors on cells of the pancreas. 
B) a person must have had a meal with sugar within the last twenty-four hours. 
C) homeostatic mechanisms must activate the blood-brain barrier. 
D) glycogen must be broken down to provide a supply of glucose. 
E) the pancreas must supply the appropriate enzymes to make sugar available.

Question 13

Science is based on

Accepted Answer

A) faith. 
B) authority. 
C) evidence. 
D) force. 
E) consensus. 
A) faith. 
B) authority. 
C) evidence. 
D) force. 
E) consensus.

Question 14

An adaptive trait is a trait that has

Accepted Answer

A) mutated. 
B) survival value. 
C) decreased in frequency in a population. 
D) deleterious biological effects. 
E) the potential to produce variation. 
A) mutated. 
B) survival value. 
C) decreased in frequency in a population. 
D) deleterious biological effects. 
E) the potential to produce variation.

Question 15

The above figure represents a(n)

Accepted Answer

A) atom. 
B) tissue. 
C) molecule. 
D) organ. 
E) cell. 
A) atom. 
B) tissue. 
C) molecule. 
D) organ. 
E) cell.

Exam 1: Invitation to Biology

Scientists are always thinking about ways to improve experimental design.In the text's potato chip experiment, which of these might do so?

The level of organization where factors such as sunlight, rainfall, and temperature enter the picture is the

All organisms are alike in their

Which premise used by Darwin in his theory is INCORRECTLY stated below?

Which of the following statements is NOT true?

Nonliving entities do NOT possess

In an experiment, the control group is

When different forms of a trait are becoming more or less common over successive generations, what is taking place?

Which of the following groups are made up of almost exclusively decomposers?

Which of the following are NOT eukaryotes?

The control in an experiment

For a cell to take up sugar from the bloodstream,

Science is based on

An adaptive trait is a trait that has

The above figure represents a(n)

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters