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Review 3: Answer Key on page 31 

Select the correct answer. 

 
1) Science is; 
 

A) A field of study that requires certain “laws of nature” to be taken on    

               faith 
 

B) Both a body of knowledge and an intellectual activity encompassing  

               observation, description, experimentation, and explanation of natural   
               phenomena 
 

C) A process that can be applied only within the scientific disciplines, such as  

               biology, chemistry, and physics 
 

D) The only way to understand the world 

E) A field of study that determines ethical standards for the human  

               Population 
 
2) What best describes a control group in an experiment? 
 

A) The condition that is being tested 

B) A sample taken through all experimental steps except the one being  

               tested 
 

C) A variable that changes throughout the experiment 

D) The dependent variable 

E) A condition that is different in every way from what is being tested 

 
3) Which group is the most abundant in terms of numbers of individuals? 
 A) 

Animals 

 B) 

Fungi 

 C) 

Eukarya 

 D) 

Plants 

 E) 

Prokaryotes 

 
4) Which of the following is a multicellular organism 
 A) 

Heart 

B) Cardiovascular system 

 C) 

Bacterium 

D) Forest ecosystem 

 E) 

Cockroach 

 
5) Which of the following are universal characteristics of life? 
 

A) The ability to grow and the ability to reproduce using DNA 

B) The ability to reproduce using DNA and the ability to capture energy  

               from the sun 
 

C) The ability to move and the ability to see and smell 

D) The ability to grow and the ability to photosynthesize 

E) The ability to organize and the ability to become dormant