The passage discusses how a chaparral community is affected by rain levels. It states that with more rain, more plants grow and many animals eat the plants, so the number of animals increases. In dry years, fewer plants grow and with less food, the number of animals decreases.

1. Name ___________________________________ Date _______________
Chapter Three Review
Directions: Read the paragraph below about a chaparral
community. Then answer the questions.
Each part of a chaparral community affects the other parts.
With a lot of rain, more plants grow in the chaparral. Many animals
eat these plants. With much food, the number of animals increases.
In dry years, fewer plants grow. With less food, the number of
animals decreases.
1. What happens to the number of animals in years when there is
little rain?
a. The number increases.
b. The number decreases.
c. The number does not change.
d. The number decreases and then it increases.
2. What happens to the number of animals in years when there is
a lot of rain?
a. The number increases.
b. The number decreases.
c. The number does not change.
d. The number decreases and then it increases.
Directions: Answer the following questions using complete
sentences.
3. Do more plants grow under coniferous trees or deciduous
trees? Why?
___________________________________________________________
___________________________________________________________

2. Name ___________________________________ Date _______________
___________________________________________________________
___________________________
4. Why does a tundra ecosystem have few trees?
_______________________
___________________________________________________________
___________________________________________________________
_________________
5. Why does most life in the ocean live in the top 200 meters of
water?
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________
Directions: Choose the letter that best completes the
statement or answers the question.
6. Sunlight, water, soil, and climate are the _________ parts of an
ecosystem.
a. living
b. growing
c. nonliving
d. interacting
7. Plants get energy to make food from which of the following?
a. water
b. climate
c. sunlight
d. nutrients
8. Lakes, ponds, rivers, and streams are examples of ________
ecosystems.

3. Name ___________________________________ Date _______________
a. dry
b. wetland
c. saltwater
d. freshwater
9. Oak, maple, and beech trees drop their leaves in the fall. In
which ecosystem would they be found?
a. tundra
b. tropical forest
c. deciduous forest
d. coniferous forest
10. The place where a living thing makes its home is its
___________________.
a. habitat
b. tree
c. environment
d. ecosystem
11. What is the biggest difference between a desert and a
tropical forest?
a. how cold each gets
b. how warm each gets
c. how much life each has
d. how much rain each gets
12. All of the following land ecosystems have few trees
EXCEPT …
a. grassland
b. coniferous forest
c. tundra
d. desert

4. Name ___________________________________ Date _______________
13. Where do tropical forests grow?
a. near the equator
b. near the polar cap
c. near Europe
d. near Antarctica
14. In which ecosystem would you find wolves, caribou,
brown bears, and eagles?
a. desert
b. prairie
c. tundra
d. tropical forest
environment desert tundra community wetland
population grassland ecosystem tundra
Directions: Complete each sentence with a vocabulary
word from the above word bank.
15. A living thing’s _____________________ is everything that
surrounds it. It has living parts and non-living parts.
16. A(n) ___________________ is low land that is covered by
water at least part of the year.
17. All the living things of the same kind that live in the
same place at the same time are a(n)
____________________________.

5. Name ___________________________________ Date _______________
18. A(n) ____________________ is a land ecosystem that has
many grasses and few trees.
19. In an environment, living and nonliving parts act on each
other or interact; these interacting parts make up a(n)
________________________.
20. The _____________ is a cold, dry, land ecosystem.
21. A(n) _________________ is a land ecosystem that gets
very little rain.
22. All the populations that live together in the same place
make up a(n) _______________________.