Solved by a verified expert:Biology, the Study of Life Quiz 97.30/100
1. Complete
the following statements about the theory of homeostasis. Not all choices with
be used
A state of biological balance, or homeostasis, is important
for the survival of both cells and organisms.
Regulation of the internal environment of cells and
organisms is carried out through feedback and other control mechanisms.
Physiological factors such as temperature, water levels, and
pH must remain with a certain range for cells and organisms to remain healthy
and functional.
2. Which of
the following levels of taxonomy includes the greatest number of organisms?
a. Order
b. Family
c. Phylum
d. Species
e. Class

3. A
possible explanation for a natural event is known as
a. A test
b. A
c. An
d. A
e. Data
4. Label the
evolutionary tree to show the relationship between dinosaurs and modern

5. When an
organism’s DNA is permanently altered, we say that it
a. reproduces
b. sequences
c. varies
d. metabolizes
e. mutates
6. Which
part of an experiment allows a scientist to know if the treatment worked or
a. Testing
b. Control
c. Observation
d. Hypothesis
e. Conclusion

7. The major
driving force behind evolution is
a. Organization
b. Natural
c. Homeostasis
d. Photosynthesis
e. Metabolism

8. Directly
or indirectly, all organisms ultimately get their energy from
a. Inorganic
b. Organic
c. The sun
d. Nutrient
e. Water

9. Tortoises
which eat mostly shrubs have notches in their shell that allow their necks to
extend upward, while tortoises which eat ground-level vegetation have no
notches. The notch is an example of
a. An
acquired characteristic
b. An
c. An
experimental variable
d. A
selective agent
e. A species

10. Which
answer choice is not a defining characteristic of life?
a. Responsiveness
to stimuli
b. Homeostasis
c. Use of
materials and energy
d. Reproduction
e. Disorder

11. Which
theory helps us understand why various species differ from one another, tells
us to what diseases we are predisposed, and enables us to produce drugs for a
variety of diseases?
a. Ecosystem
b. Gene
c. Cell
d. Evolution
e. Homeostasis

12. Complete
the following statements about the cell theory and levels of biological
organization. Not all choices will be used.

13. A
scientist who studies a group of field mice all living in the same area would
be studying
a. An
b. A
c. A
d. A
e. A species

14. Place the
following steps in the correct order of the scientific method.

15. Humans
belong to which kingdom?
a. Animals
b. Protists
c. Plants
d. Fungi
e. Archaea

16. What would
occur if all the decomposers were removed from an ecosystem?
a. Nutrient
recycling from dead organisms would increase.
b. Nutrients
from dead organisms could not be recycled into the ecosystem.
c. Energy
would not longer be lost in the form of heat.
d. There
would be no effect on the ecosystem; decomposers are not essential for
ecosystem function.
e. The
ecosystem would lose its ultimate source of energy.

17. Members of
the same species found within a particular area are referred to as
a. An
b. An
c. A
d. A
e. A

18. Classify
the following components of ecosystems as either biotic or abiotic features.

19. The unity
and diversity of living organisms on our planet can best be explained by which
of the following processes?
a. evolution
b. metabolism
c. reproduction
d. homeostasis
e. taxonomy

20. In the
scientific method, the condition which is deliberately changed is referred to
as the
a. hypothesis
b. test
c. control
d. control
e. experimental