Homework 2-11
SECTION
ECOSYSTEMS SUPPORT LIFE.
CHAPTER 14
Ecosystems and Biomes
14.1 Section Quiz
Key Concepts
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Select the term that best completes the statement.
abiotic
light
biotic
organisms
ecology
soil
ecosystem
temperature
factors
water
1.
A(n)
the physical environment.
2.
is the study of how living things interact
with each other and their environment.
3.
Living things in an ecosystem are
4.
Nonliving things in an ecosystem are
5.
One reason plant life changes as you hike up a mountain is because of the
change in
6.
is made up of both living things and
factors.
factors.
.
Below 100 meters in the open ocean, there is not enough
for plantlike organisms to meet their needs.
is a complex mixture containing rock particles
7.
and organic matter.
8.
The more
diversity of life it has.
a land ecosystem has, the greater the
Extended Response
Answer the following question on the back of this paper or on a separate sheet
of paper.
List one biotic and one abiotic factor in a forest ecosystem. Then write a
sentence that tells how each factor affects the ecosystem.
ECOLOGY, CHAPTER 14, SECTION QUIZ 3