Name: 
 

Chapter 1 Review Questions



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

What is a localized group of organisms that belong to the same species?
a.
biosystem
b.
community
c.
population
d.
ecosystem
e.
organ system
 

 2. 

A maple leaf is at which level in the hierarchy of biological organization?
a.
tissue
b.
cell
c.
organelle
d.
organ
e.
organ system
 

 3. 

Which of these is a correct representation of the hierarchy of biological organization from least to most complex?
a.
hydrogen, water, heart muscle cell, heart muscle cell nucleus, heart muscle tissue, heart, human
b.
hydrogen, water, muscle cell nucleus, heart muscle cell, heart, heart muscle tissue, human
c.
hydrogen, water, heart muscle cell nucleus, heart muscle cell, heart muscle tissue, heart, human
d.
water, hydrogen, heart muscle cell nucleus, heart muscle cell, heart muscle tissue, heart, human
e.
heart muscle cell nucleus, hydrogen, water, heart muscle cell, heart, heart muscle tissue, human
 

 4. 

As a result of photosynthesis, plants release ____ into the atmosphere.
a.
methane
b.
carbon dioxide
c.
water
d.
minerals
e.
oxygen
 

 5. 

The dynamics of any ecosystem include the following major processes:
a.
the flow of energy from sunlight to producers
b.
the flow of energy from sunlight to producers and then to consumers
c.
the recycling of chemical nutrients
d.
the flow of energy to producers and the recycling of nutrients
e.
the flow of energy from sunlight to producers and then to consumers, and the recycling of chemical nutrients
 

 6. 

Which of the following is true regarding deoxyribonucleic acid (DNA)?
a.
Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged in a double helix.
b.
Genes are composed of deoxyribonucleic acid.
c.
DNA is composed of chemical building blocks called nucleotides.
d.
Only A and C are correct.
e.
A, B, and C are correct.
 

 7. 

Which of the following statements concerning prokaryotic and eukaryotic cells is not correct?
a.
Prokaryotic cells lack a membrane-bound nucleus.
b.
Prokaryotic cells contain small membrane-enclosed organelles.
c.
Eukaryotic cells contain a membrane-bound nucleus.
d.
DNA, or deoxyribonucleic acid, is present in both prokaryotic cells and eukaryotic cells.
e.
DNA or deoxyribonucleic acid is present in the nucleus of eukaryotic cells.
 

 8. 

Once labor begins in childbirth, contractions increase in intensity and frequency until delivery. The increasing labor contractions of childbirth are an example of
a.
a bioinformatic system.
b.
positive feedback.
c.
negative feedback.
d.
feedback inhibition.
e.
both C and D
 

 9. 

When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result blood glucose level rises. Such regulation of blood glucose level is the result of
a.
catalytic feedback.
b.
positive feedback.
c.
negative feedback.
d.
bioinformatic regulation.
e.
both A and B
 

 10. 

Prokaryotic and eukaryotic cells generally have which of the following features in common?
a.
a membrane-bounded nucleus
b.
a cell wall made of cellulose
c.
ribosomes
d.
flagella or cilia that contain microtubules
e.
linear chromosomes made of DNA and protein
 

 11. 

A water sample from a hot thermal vent contained a single-celled organism that lacked a nucleus. What is its most likely classification?
a.
domain Eukarya
b.
domain Archaea
c.
kingdom Animalia
d.
kingdom Protista
e.
kingdom Fungi
 

 12. 

A new species has been discovered. Individuals of this species are multicellular eukaryotes that obtain nutrients from decomposing organic matter. How should this species be classified?
a.
domain Bacteria, kingdom Prokaryota
b.
domain Archaea, kingdom Bacteria
c.
domain Eukarya, kingdom Plantae
d.
domain Eukarya, kingdom Protista
e.
domain Eukarya, kingdom Fungi
 

 13. 

A new species has been discovered. Individuals of this species are multicellular eukaryotes that obtain their energy-providing nutrients by ingesting other organisms. How should this species be classified?
a.
kingdom Archaea
b.
kingdom Bacteria
c.
kingdom Plantae
d.
kingdom Protista
e.
kingdom Animalia
 

 14. 

You have just discovered a new species that has starch, rather than DNA, as its genetic material. You are elated because you may have just discovered a new
a.
member of kingdom Protista.
b.
member of domain Bacteria.
c.
member of domain Archaea.
d.
member of domain Eukarya.
e.
domain of life.
 

 15. 

Which of the following is (are) true of natural selection?
a.
requires genetic variation
b.
results in descent with modification
c.
involves differential reproductive success
d.
B and C only
e.
A, B, and C
 



 
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