Quiz 1 Name: ________________________Class: _________________ Date: _________________
_____ 1. The term biosphere refers to the parts of Earth that contain
a. freshwater environments.
b. living things.
c. land masses.
d. greater biodiversity.
_____ 2. Which phrase best describes Earth’s biodiversity?
a. greater in consistently warm areas
b. greater toward Earth’s poles
c. greater according to energy needs
d. greater where temperatures are most variable
_____ 3. An individual living thing is called a(n)
a. species.
b. cell.
c. atom.
d. organism.
_____ 4. Which of these characteristics is shared by all living things?
a. They are made up of one or more cells.
b. They make their own chemical energy.
c. They have similar responses to light.
d. They reproduce when one cell divides into two.
_____ 5. The basic unit of life is
a. the cell.
b. an atom.
c. DNA.
d. a species
_____ 6. At all levels of life, when related parts interact to form a whole they
form a
a. biosphere.
b. species.
c. cell.
d. system.
_____ 7. Which statement best explains why the shape of teeth differs according
to the diet of a species?
a. Individual parts must work together.
b. Organisms interact with other organisms.
c. Structure and function are related in biology.
d. Organisms must maintain homeostasis.
_____ 8. The maintenance of constant internal conditions in an organism is
known as
a. homeostasis.
b. negative feedback.
c. structure specialization.
Copyright © McDougal Littell/Houghton Mifflin Company.
Biology
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Biology in the 21st Century
Quiz 1 Name: ________________________Class: _________________ Date: _________________
d. adaptation.
_____ 9. Which aspects of life on Earth are accounted for by evolution?
a. diversity and unity
b. interaction and conflict
c. lack of genetic and physical change
d. divergence of structure and function
_____ 10. A beneficial inherited trait that is passed on to future generations is a(n)
a. stimulus.
b. adaptation.
c. system.
d. homeostatic mechanism.
1. Living things are very diverse, yet there are many characteristics that organisms
share.
Describe some of the types of similarities that form patterns within Earth’s
biodiversity.
In your answer:
• compare the meanings of the terms organism, species, and biodiversity (1)
• name at least three characteristics that all organisms share (1)
• explain why a tropical forest has a much greater diversity of species than a forest
in the northern United States (1)
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Copyright © McDougal Littell/Houghton Mifflin Company.
Biology
2
Biology in the 21st Century