Question 1

Living things inherit information from their parents encoded in:

Accepted Answer

A)  fats. 
B)  atoms. 
C)  proteins. 
D)  DNA.

Question 2

We use the scientific method every day. Imagine your car doesn't start one morning before school. Which of these is a reasonable hypothesis regarding the problem?

Accepted Answer

A)  I'm going to be late. 
B)  I'm out of gas. 
C)  Check to see whether your lights were left on all night. 
D)  Add a quart of oil.

Question 3

The European corn borer is an insect whose larvae eat corn crops, thus reducing the yield of the crops. Scientists have genetically modified corn in the hopes of making it more resistant to infestation by the European corn borer. Design an experiment to test whether the genetically modified variety is more resistant to infestation than an unmodified variety. State your hypothesis, and identify your experimental group and your control.

Accepted Answer

The answer of The European corn borer is an insect...

Question 4

Choose the answer that best describes the sequence of the scientific method.

Accepted Answer

A)  experiment, observation, hypothesis, conclusion 
B)  hypothesis, experiment, observation, conclusion 
C)  guess, hypothesis, experiment, conclusion 
D)  observation, hypothesis, experiment, absolute fact 
E)  observation, hypothesis, experiment, conclusion

Question 5

A scientific explanation that is tentative and testable is termed a/an:

Accepted Answer

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

Question 6

Science presents society with ________, about which society then makes decisions.

Accepted Answer

A)  values 
B)  theories 
C)  options 
D)  worst-case scenarios

Question 7

Which of the following is the correct order of complexity, going from least to most complex?

Accepted Answer

A)  atom, molecule, organelle, cell, tissue, organ 
B)  organ, tissue, cell, organelle, atom, molecule 
C)  organ, tissue, cell, organelle, molecule, atom 
D)  molecule, atom, organ, tissue, cell, organelle 
E)  atom, molecule, organelle, cell, organ, tissue

Question 8

Using what you have learned in this chapter, explain how you would decide whether multivitamins are beneficial to dogs.

Accepted Answer

The answer of Using what you have learned in this...

Question 9

Match the following.
A) population
B) cell
C) biosphere
D) molecule
E) ecosystem
-Communities interacting with non-living elements

Accepted Answer

The answer of Match the following.
A) population
B) cell
C) biosphere
D) molecule
E)...

Question 10

If you flip the light switch in your living room and nothing happens, what might be a good hypothesis to explain the absence of light?

Accepted Answer

A)  Electricity sometimes flows backward in a wire, preventing the light from shining. 
B)  The circuit breaker for the living room might be the "off" position. 
C)  You might have made too many telephone calls this month, thereby reducing the amount of electricity in your lines. 
D)  The air conditioner is also running upstairs, and it might be using all of the electricity available in your house at the moment.

Question 11

Name three ways that science and technology enrich your life today.

Accepted Answer

The answer of Name three ways that science and technology...

Question 12

You are a part of the first scientific team to land on Mars. What steps would you take to determine whether there is any life there? If you found something, how would you know whether it is a living thing?

Accepted Answer

The answer of You are a part of the first...

Question 13

What is the difference between a tissue and an organ system?

Accepted Answer

A)  Tissues are composed of organ systems. 
B)  Tissues are not composed of cells, but organ systems are composed of cells. 
C)  A tissue cannot exist unless it is part of an organ system, but an organ system can exist independently of tissues. 
D)  An organ system includes tissues.

Question 14

A theory must be supported by evidence.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is the most complex level of organization?

Accepted Answer

A)  a heart 
B)  a water molecule 
C)  a rainforest 
D)  the circulatory system

Question 16

Which of the following is an example of how living things assimilate energy?

Accepted Answer

A)  blinking at a bright light 
B)  producing a new generation of offspring 
C)  eating a meal 
D)  solving a mathematics problem

Question 17

What invention by Bell Labs in 1947 brought about modern electronics?

Accepted Answer

A)  the invention of software 
B)  the invention of the transistor 
C)  the invention of the CD 
D)  the invention of the computer

Question 18

Observation of a natural event by more than one human or scientific instrument is the basis of the scientific method.

Accepted Answer