Download Spinning the Web of Life

Spinning the Web of Life
Content Objective: Students will
create a Food Web from their own
daily food consumption
Language Objective: Students will
demonstrate understanding of
Food Webs by drawing a food web
with their group
Spinning the Web of Life
In
your Journal,
create your groups
ideal menu for 1
day. Include snacks
as well as meals.
Spinning the Web of Life
 Make
a 3 column chart in your journal.
 List the foods from your groups ideal menu
in the 1st column
 List the ingredients in each menu item in
the 2nd column.

Example: A piece of cake would list oil,
flour, sugar, butter, eggs and milk.
Spinning the Web of Life
 In
the 3rd column of your chart list the
sources for the ingredients of each menu
item
 Example:
Write wheat next to flour, sugar
cane or sugar beet next to sugar, and
chicken next to egg.
Spinning the Web of Life
 Create
another 3 column chart
 In the 2nd column (center), list all of the
animals that appeared in your 1st chart.
 For every animal that you have listed list
several food that it eats in the 3rd column

Example: Next to cow you would list the
grass and corn that cattle eat
Spinning the Web of Life
 In
the 1st column, next to the animals in
column 2, record 2 animals that might eat
each animal.

Example: Next to cow you might list wolf,
bear, mountain lion or human
Spinning the Web of Life





On the White Board create 5 equal sized
sections
List all the names of the plant in the bottom
section
Write the names of all the herbivores (plant
eaters) in the next section above the plants
Write all the names of the Omnivores in the
section above the herbivores
Write all of the names of the Carnivores in the
Top section
Spinning the Web of Life
 Draw
arrows from the organisms that
provide energy to the organisms that
receive energy.

Example: You would draw an arrow from
grass to cattle with point of the arrow
aimed at the cattle.

Draw your groups food web into your
journal
Spinning the Web of Life
 Read
the following articles in your
textbook.


Let’s Ask Drs. Ricardo and Rita. Pgs 383-388
Losing Heat Pages 388-389
Spinning the Web of Life

Use the reading to discuss with your group the
following questions. Record your answers in
your Journal:



What is then key difference between the way
producers and consumers obtain energy and
matter from their ecosystem.
Why is there no predator in Africa that lives by
eating only Lions and Leopards?
What effect are cattle and other domesticated
livestock having on certain ecosystems?
Spinning the Web of Life
 Analysis


Questions
Describe how Energy flows through the
Community, as shown in your food web(Use
the 10% rule in your discussion)
Where is the most Energy available in your
food web?. Explain your answer.