Question 1

A scientific theory will involve four of the following. Which is the exception? ​

Accepted Answer

A) subjective conclusions ​ 
B) carefully stated hypothesis 
C) repeated controlled experiments 
D) revisions or rejection if new evidence comes to light 
E) explanation of a large number of observations 
A) subjective conclusions ​ 
B) carefully stated hypothesis 
C) repeated controlled experiments 
D) revisions or rejection if new evidence comes to light 
E) explanation of a large number of observations A

Question 2

The first step of the scientific method is to ____. ​

Accepted Answer

A) perform an experiment 
B) make a prediction 
C) test a prediction 
D) analyze data 
E) observation of a natural event 
A) perform an experiment 
B) make a prediction 
C) test a prediction 
D) analyze data 
E) observation of a natural event E

Question 3

Energy flows into the biosphere from ____. ​

Accepted Answer

A) water 
B) raw materials 
C) decomposition 
D) ecosystems 
E) the sun 
A) water 
B) raw materials 
C) decomposition 
D) ecosystems 
E) the sun E

Question 4

"A change over time" is the definition of ____. ​

Accepted Answer

A) classification 
B) ecology 
C) physiology 
D) evolution 
E) heritage 
A) classification 
B) ecology 
C) physiology 
D) evolution 
E) heritage

Question 5

"Vertebrates" refers to animals that possess ____. ​

Accepted Answer

A) hair 
B) mammary glands 
C) the ability to give birth to live young 
D) a backbone 
E) lungs 
A) hair 
B) mammary glands 
C) the ability to give birth to live young 
D) a backbone 
E) lungs

Question 6

After many years of testing, an hypothesis becomes accepted as a ____. ​

Accepted Answer

A) fact ​ 
B) prediction 
C) theory 
D) conclusion 
E) variable 
A) fact ​ 
B) prediction 
C) theory 
D) conclusion 
E) variable

Question 7

Critical thinking means to ____. ​

Accepted Answer

A) challenging all concepts ​ 
B) evaluating information before accepting it 
C) disagreeing with proposed ideas 
D) making quick decisions 
E) basing decisions on opinions 
A) challenging all concepts ​ 
B) evaluating information before accepting it 
C) disagreeing with proposed ideas 
D) making quick decisions 
E) basing decisions on opinions

Question 8

Which form of organization is classified between cell and organ? ​

Accepted Answer

A) atom 
B) molecule 
C) compound 
D) organelle 
E) tissue 
A) atom 
B) molecule 
C) compound 
D) organelle 
E) tissue

Question 9

The validity of scientific discoveries should be based on ____.

Accepted Answer

A) opinions 
B) evidence 
C) philosophy 
D) hearsay 
E) hunches 
A) opinions 
B) evidence 
C) philosophy 
D) hearsay 
E) hunches

Question 10

The flow of ____ and the cycling of ____ maintains nature's organization. ​

Accepted Answer

A) water; populations 
B) atoms; energy 
C) nutrients; water 
D) energy; materials 
E) raw materials; water ​ 
A) water; populations 
B) atoms; energy 
C) nutrients; water 
D) energy; materials 
E) raw materials; water ​

Question 11

From which molecule do organisms receive instructions to reproduce and grow? ​

Accepted Answer

A) ATP 
B) carbon 
C) hydrogen 
D) DNA 
E) elements 
A) ATP 
B) carbon 
C) hydrogen 
D) DNA 
E) elements

Question 12

Which health concerns are related to lifestyle factors? ​

Accepted Answer

A) obesity and diabetes 
B) all cancers 
C) Lyme disease 
D) bacterial infections 
E) SARS respiratory infections 
A) obesity and diabetes 
B) all cancers 
C) Lyme disease 
D) bacterial infections 
E) SARS respiratory infections

Question 13

In science, the word "theory" ____. ​

Accepted Answer

A) is an explanation that has not been published ​ 
B) has essentially the same meaning as a prediction 
C) is based mostly on opinions 
D) signifies that a hypothesis has been tested and proven over a period of time 
E) means that a scientist has a hunch something is true 
A) is an explanation that has not been published ​ 
B) has essentially the same meaning as a prediction 
C) is based mostly on opinions 
D) signifies that a hypothesis has been tested and proven over a period of time 
E) means that a scientist has a hunch something is true

Question 14

Which evolutionary descriptive term is common to both fish and humans? ​

Accepted Answer

A) primates 
B) mammals 
C) bacteria 
D) vertebrates 
E) archaea 
A) primates 
B) mammals 
C) bacteria 
D) vertebrates 
E) archaea

Question 15

Homeostasis refers to ____. ​

Accepted Answer

A) the ability of a cell to reproduce ​ 
B) directions the cell receives from DNA 
C) the maintenance of a constant internal state 
D) the extraction of energy from nutrients 
E) the ability of organisms to move within their environment 
A) the ability of a cell to reproduce ​ 
B) directions the cell receives from DNA 
C) the maintenance of a constant internal state 
D) the extraction of energy from nutrients 
E) the ability of organisms to move within their environment

Question 16

Which of these is designed by researchers to test only a single prediction of a hypothesis at a time? ​

Accepted Answer

A) controlled experiment ​ 
B) experimental variable 
C) control group 
D) controlled variable 
E) experimental constant 
A) controlled experiment ​ 
B) experimental variable 
C) control group 
D) controlled variable 
E) experimental constant

Question 17

A(n)____________________ is a statement that explains what you should observe about the question being addressed if the hypothesis is valid. ​

Accepted Answer

The answer of A(n)____________________ is a statement that explains what...

Question 18

Emerging diseases ____. ​

Accepted Answer

A) are related to lifestyle factors 
B) are caused by poor diet 
C) are never caused by viruses 
D) are caused by pathogens that until recently had limited impact on human health 
E) include obesity and type 2 diabetes 
A) are related to lifestyle factors 
B) are caused by poor diet 
C) are never caused by viruses 
D) are caused by pathogens that until recently had limited impact on human health 
E) include obesity and type 2 diabetes

Question 19

The control in an experiment ____. ​

Accepted Answer

A) makes the experiment valid ​ 
B) is an additional replicate for statistical purposes 
C) reduces experimental errors 
D) minimizes experimental inaccuracy 
E) allows a standard of comparison for the experimental group ​ 
A) makes the experiment valid ​ 
B) is an additional replicate for statistical purposes 
C) reduces experimental errors 
D) minimizes experimental inaccuracy 
E) allows a standard of comparison for the experimental group ​

Question 20

Single-celled organisms are common to which domain? ​

Accepted Answer

A) Protists ​ 
B) Fungi 
C) Plants 
D) Bacteria 
E) Eukarya 
A) Protists ​ 
B) Fungi 
C) Plants 
D) Bacteria 
E) Eukarya

Exam 1: Learning About Human Biology

A scientific theory will involve four of the following. Which is the exception? ​

The first step of the scientific method is to ____. ​

Energy flows into the biosphere from ____. ​

"A change over time" is the definition of ____. ​

"Vertebrates" refers to animals that possess ____. ​

After many years of testing, an hypothesis becomes accepted as a ____. ​

Critical thinking means to ____. ​

Which form of organization is classified between cell and organ? ​

The validity of scientific discoveries should be based on ____.

The flow of ____ and the cycling of ____ maintains nature's organization. ​

From which molecule do organisms receive instructions to reproduce and grow? ​

Which health concerns are related to lifestyle factors? ​

In science, the word "theory" ____. ​

Which evolutionary descriptive term is common to both fish and humans? ​

Homeostasis refers to ____. ​

Which of these is designed by researchers to test only a single prediction of a hypothesis at a time? ​

A(n)____________________ is a statement that explains what you should observe about the question being addressed if the hypothesis is valid. ​

Emerging diseases ____. ​

The control in an experiment ____. ​

Single-celled organisms are common to which domain? ​

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

Filters

A scientific theory will involve four of the following. Which is the exception?

The first step of the scientific method is to ____.

Energy flows into the biosphere from ____.

"A change over time" is the definition of ____.

"Vertebrates" refers to animals that possess ____.

After many years of testing, an hypothesis becomes accepted as a ____.

Critical thinking means to ____.

Which form of organization is classified between cell and organ?

The flow of and the cycling of maintains nature's organization.

From which molecule do organisms receive instructions to reproduce and grow?

Which health concerns are related to lifestyle factors?

In science, the word "theory" ____.

Which evolutionary descriptive term is common to both fish and humans?

Homeostasis refers to ____.

Which of these is designed by researchers to test only a single prediction of a hypothesis at a time?

A(n)____________________ is a statement that explains what you should observe about the question being addressed if the hypothesis is valid.

Emerging diseases ____.

The control in an experiment ____.

Single-celled organisms are common to which domain?