Name:
Period:
_
Energy in Ecosystems Vocabulary
Chapter 2 Green book
Vocabulary
Word
Producer
Consurmer
Herbivore
Carnivore
Omnivore
Scavenger
What is this?
(definition)
What are
some
examples?
What does it look like? (draw a
picture or diagram)
Vocabulary
Word
Decomposer
Food Chain
Food Web
Energy Pyramid
Photosynthesis
Respiration
What is this?
(definition)
What are
some
examples?
What does it look like? (draw a
picture or diagram)
Name
_
Ecosystems
and Biomes
Date
_
Class
Name
_
Ecosystems
Guided Reading and Study
ehet.p+er
Energy Flow in Ecosystems
_
;;l S4! e,-
L
__
Class
Guided Reading and Study
and Biomes
Energy Flow in Ecosystems
9.
This section explains the different roles that organisms play in the movement of
energy through an ecosystem. The section also describes how organisms in the
different roles interact toform food chains and food webs.
Date
(continued)
Is the following sentence true or false? Decomposers
return
materials to the environment.
_
raw
Food Chains and Food Webs
Use Target Reading Skills
After you read the section, reread the paragraphs that contain definitions of Key
Terms. Use all the information you have learned to write meaningful sentences
using Key Terms.
10. A series of events in which one organism eats another
energy is called a(n)
_
and obtains
11. Label the producer
food chain.
consumers
and the first-level and second-level
Energy Roles
Match the energy role with its definition.
Energy RoJe
Definition
1. producer
a.
Organism that breaks down wastes and
dead organisms
b.
Organism that obtains energy by feeding on other organisms
c.
Organism
2. consumer
3.
decomposer
that can make its own food
4.
What types of organisms
are producers?
5.
Is the following
sunlight.
true or false? Energy enters all ecosystems
_
6.
Is the following sentence
food in an ecosystem.
7.
List two major groups
sentence
true or false? Producers
_
8.
Complete
are the source of all the
b.
the compare/
contrast
_
table.
Types of Consumers
Type of Consumer
12. The many overlapping
food chains in an ecosystem
make up a(n)
13. Circle the letter of each sentence that is true about a food web.
of decomposers.
a.
as
Type of Food
Only plants
a. Producers
are at the top of the food web.
b. All first-level
consumers
are carnivores.
c. Second-level
consumers
may be carnivores
d. An organism
may play more than one role in a food web.
or omnivores.
Energy Pyramids
14. What does an energy pyramid
show?
Carnivore
Both plants
and animals
Dead organisms
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in the
_
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__ Dare
Ecosystems and Blomllll
•
_ Class
Name
_
_ Date
Ecosystems and Biomes
Guided Reading and Study
_ Class
Review and Reinforce
Energy Flow in Ecosystems
15. Circle the letter of each sentence that is true about an energy pyramid.
a. The greatest amount of energy is available at the producer level.
Understanding
b. At each level of the pyramid, there is more energy available.
Answer the JollfYWingquestions
Main Ideas
Oil
a separate sheet of paper.
c. About half the energy at one level is transferred to the next.
d. Most food webs have only three or four feeding levels.
16. Why are there usually few organisms at the top of a food web?
CAns.-t~
1. Which organism in the food web above is sometimes a first-level
consumer and sometimes a second-level consumer? Explain.
2. Choose one food chain in the web. Name all the organisms in that chain.
Start with the producer and end with the top-level consumer.
3. Draw an energy pyramid for the food chain you chose. Label the
pyramid to tell how much food energy is available at each level.
Building
Q
p
Vocabulary
•.
Ii ;'"write the
term that fits each definition below.
4, Organisms that make their own food
5. Organisms that obtain energy by feeding on other organisms
6. Organisms that break down wastes and dead organisms and return the
raw materials to the environment
7. Consumers that eat only animals
8. Consumers that eat only plants
9. Consumers that eat both plants and animals
10. Consumers that feed on the bodies of dead organisms
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Nature A to Z
Name:
-----------------------
Think of your backyard, garden or neighborhood and write down living things for each letter of
the alphabet.
A
N
B
0
C
P
D
Q
E
R
F
S
G
T
H
U
I
V
J
W
K
X
L
Y
M
Z
1. How many of the items belong to the:
a. Animal kingdom?
__
b. Plant kingdom?
_
2. Create a food chain using at least three items from your list.
3. How do living things interact? Choose two items and describe their interactions.
Pyramid Directions tJarYle.: -----1. Shade the first (bottom) level of each pyramid green.
peIf'L'~cl~ ----
2.
3.
4.
5.
Shade the second level of each pyramid yellow.
Shade the third level of each pyramid blue.
Shade the fourth (top) level of each pyramid red.
Label each level of the first pyramid side with the following terms as you move up the
pyramid: producer, primary consumer, secondary consumer, tertiary consumer.
6. Label each level of the second pyramid side with the following terms as you move up the
pyramid: plants, herbivores, carnivores, top carnivores.
7. Label each level of the third pyramid side with the following terms as your move up the
pyramid: autotroph, 1st order heterotroph, z= order heterotroph, 3rd order heterotroph.
8. Draw a picture of what might belong in each level:
1st: flowers, trees, grass, algae
2nd: caterpillars, cows, grasshoppers, beetles
3rd: humans, birds, frogs
4th: lions, dogs, snakes
9. Fold your pyramid on the lines radiating from the center and tape it together.
10. Answer the following questions using your pyramid:
a. What are three terms used to describe organisms such as trees?
b. What are three terms used to describe organisms such as cows?
c. What are three terms used to describe organisms such as humans?
d. What are three terms sued to describe organisms such as lions?
e. What do the organisms in each trophic level eat?
f. Do organisms always stay in the same level? Explain your answer.