A food chain shows how each living thing gets energy by eating other organisms and being eaten by others. Producers, like plants, are the base of the food chain by producing their own food through photosynthesis. Consumers, like herbivores and carnivores, obtain energy by eating producers or other consumers. Decomposers, like bacteria and fungi, obtain energy by breaking down dead organisms and recycling nutrients in the ecosystem. A food web is more complex than a food chain, as organisms can be part of multiple food chains that interconnect in an ecosystem.

1. And
http://www.biologycorner.com/worksheets/food_web_label.html
http://worldslife-nisha.blogspot.com/2011/06/trophic-levels-food-chain.html

2. A food chain shows how each living thing gets food, and how nutrients
and energy are passed from creature to creature. Food chains begin
with plant-life, and end with animal-life. Some animals eat plants,
some animals eat other animals. Three major parts make up food
chains Producers, Consumers, and Decomposers'. Click on the links to
discover more about food chains.
Producers http://www.vtaide.com/png/foodchains.htm
Consumers http://www.chs.k12.nf.ca/science/b3201/WebCT-
Copy/units/unit1-05.htm
Decomposers
http://www.sheppardsoftware.com/content/animals/kidscorner/foodch
ain/decomposers.htm

3. Example Food chain
http://heightstechnology.edublogs.org/tag/foodchain/

4. (Mark your answers on your Scantron) http://www.proprofs.com/quiz-school/story.php?title=Food-ChainsWebs-Quiz
Food chain quiz
Q.1) Which food chain correctly describes the flow of energy in an ecosystem?
A. grass-->cow-->human
B. B. caterpillar-->leaf-->human
C. C. cow-->grass-->human
D. D. leaf-->bird-->caterpillar
Q.2) Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?
A. decomposers B. carnivores C. producers D. herbivores
Q.3) How do decomposers help other organisms in an ecosystem?
A. They are food for consumers.
B. Through photosynthesis they can make their own food.
C. They return nutrients back to the soil.
D. They eat plants.
Q.4) In what order do a hawk, grass, and rabbit form a food chain in a meadow?
A. hawk-->grass-->rabbit
B. grass-->hawk-->rabbit
C. rabbit-->grass-->hawk
D. grass-->rabbit-->hawk
Q.5) Which of the following lists only consumers?
A. hawks, lizards, chipmunks
B. acorns, squirrels, rabbits
C. grass, chipmunks, eagles
D. mice, squirrels, grass

5. A food web is a combination of food chains that integrate to form a
network . In nature, food chain relationships are not isolated. They are
very complex, as one organism may form the food source of many
organisms. Thus, instead of a simple linear food chain, there is a web
like structure formed by these interlinked food chains. Such
interconnected matrix of food chains is called 'food web'. Food webs
are indispensable in ecosystems as they allow an organism to obtain its
food from more than one type of organism of the lower trophic level.
Click on the link to discover more information about food webs.
Food web Video on How stuff works
http://videos.howstuffworks.com/science/food-chain-videos-
playlist.htm#video-27997

6. Example Food web
http://caterpillars.unr.edu/outreach/lessons_and_activities.htm

7. http://www.proprofs.com/quiz-
(Mark your answers on your Scantron) school/story.php?title=food-web-test
Food web quiz
1. The vulture is a ...
A. decomposer B. scavenger C. parasite D. producer
2. Rabbits are omnivores
A. True B. False
3. What is the role of decomposers?
A. to return nutrients to the soil
B. to hunt small animals
C. to grow on a host organism
D. to only eat producers
4. Which animal is a carnivore?
A. fox B. bird C. deer D. grasshopper
http://www.tutorvista.com/content/biology/biology-iv/ecosystem/food-web.php
5. Which animal is a omnivore?
A. deer B. mouse C. rabbit D. bird

8. Now it is your turn to create a food chain and a food
web diagram using the technology Inspiration.
Follow the links to complete your diagrams following the directions on
your rubric.
•Tutorial link: http://www.inspiration.com/themes/inspiration/video-
player.php?nid=639
•Example work
•Link to Inspiration: http://www.inspiration.com/freetrial
•Food chain rubric
•Food web rubric

10. Food chain Rubric
CATEGORY 5 4 3 2 1
Food Chain The diagram The diagram The diagram The diagram The diagram
Components includes a producer, includes four out of includes three out of includes two out of includes only one
a first level five of the required five of the required five of the required out of five of the
consumer, a second food chain food chain food chain required food chain
level consumer, a components. components. components. components.
third level
consumer, and a
decomposer.
Accuracy All of the Four of the Three of the Two of the The illustrations are
illustrations are illustrations are illustrations are illustrations are inaccurately labeled
accurately labeled accurately labeled accurately labeled accurately labeled or not labeled at all
and are arranged in and are arranged in and are arranged in and are arranged in and the diagram
the logical order of the logical order of the logical order of the logical order of does not represent
the food chain. the food chain. the food chain. the food chain. any logical order.
Structure The diagram is neat The diagram is fairly The diagram is The diagram is fairly The diagram is
and organized, neat and organized, organized and unorganized and unorganized and
includes a title, and includes a title, and includes a title, but includes a title, but slopply. It does not
has each illustration has most only some of the the illustrations are include a title and
labeled with a illustrations labeled illustrations are not labeled with the illustrations are
complete sentence. with a complete labeled with a complete sentences. not labeled with
sentence. complete sentence. complete sentences.
Creativity/Color The food chain is The food chain is The food chain is The food chain The food chain is
very colorful and colorful and shows completed in color includes little color not colored at all
includes creative some creativity in and shows a fair and little creativity and includes only
illustrations and the illustrations. amount of creativity in the illustrations. simple illustrations.
design. in the illustrations.

11. Food Web Rubric
CATEGORY 5 points 3 points 0 points
Contents The food web has The web has mostly Most of the
accurate information accurate information. information recorded
recorded. Based on However, less than 3 on the web is not
the main ideas in the of the things recorded accurate, based on
text, and educated are not accurate. the information
predictions according derived from the text.
to the text.
Organization The web is organized The web is mostly A majority of the web
clearly, everything isorganized properly. is disorganized. Many
documented in the However, less than 3 things are not
correct place to show things are in the recorded in the
the flow of energy. wrong place. correct place.
Neatness The web is very neat The web is pretty The web is very mess
and easy to read by neat, but there are a and can not be
others. few areas that are interpreted.
difficult to read.
Spelling/Grammar The web contains less The web contains less The web contains
than 2 than 4 more than 5
spelling/grammar spelling/grammar spelling/grammar
errors. errors. errors.

12. References
1. http://www.vtaide.com/png/foodchains.htm
2. http://www.chs.k12.nf.ca/science/b3201/WebCT-Copy/units/unit1-05.htm
3. http://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/decompose
rs.htm
4. http://www.proprofs.com/quiz-school/story.php?title=Food-ChainsWebs-Quiz
5. http://www.proprofs.com/quiz-school/story.php?title=food-web-test
6. http://www.tutorvista.com/content/biology/biology-iv/ecosystem/food-web.php
7. http://katies486technologyblog.blogspot.com/2009/10/inspiration-diagram-food-
chains.html
8. http://www.inspiration.com/themes/inspiration/video-player.php?nid=639
9. http://www.inspiration.com/freetrial