Warm – Up # 3Warm – Up # 3
1.1. How is a chain different from aHow is a chain different from a
web? Describe and draw aweb? Describe and draw a
** Write down your homework in your agenda
when you are finished.
Today’s Objective:Today’s Objective:
Describe the flow of Energy inDescribe the flow of Energy in
Ecosystems through FoodEcosystems through Food
Today’s Agenda :Today’s Agenda :
2.2. Intro VideoIntro Video
3.3. Notes: Energy Flow through Ecosystems – FoodNotes: Energy Flow through Ecosystems – Food
4.4. Food Web ActivityFood Web Activity
5.5. Closing – Exit SlipClosing – Exit Slip
Intro to Food WebsIntro to Food Webs
Class Notes:Class Notes: Energy Flow through Ecosystems –Energy Flow through Ecosystems –
Food WebsFood Webs
As we have already learnedAs we have already learned, Food Chains, Food Chains
are models that describe how energy in theare models that describe how energy in the
form of food passes from one organism toform of food passes from one organism to
another. But, food chains are too simple toanother. But, food chains are too simple to
describe the many interactions among alldescribe the many interactions among all
different biotic factors in an ecosystem.different biotic factors in an ecosystem.
AA ________ ______________ ______ is made up of ais made up of a
series of overlapping food chains that showseries of overlapping food chains that show
the food relationships among biotic factorsthe food relationships among biotic factors
in an ecosystem. It shows a morein an ecosystem. It shows a more
complete model of how energy movescomplete model of how energy moves
through an ecosystem.through an ecosystem.
Decomposers are organisms that
break down ________ or _____
__________ & turn them into
They provide the nutrients for
Fungi and Bacteria
Food Web ActivityFood Web Activity
Your Group’s task today:Your Group’s task today:
Use the animals and plants inside your groupUse the animals and plants inside your group
of Envelopes (African grassland, Rainforest,of Envelopes (African grassland, Rainforest,
Desert, or wetlands) and organize them intoDesert, or wetlands) and organize them into
a food web.a food web.
Once you have organized them,Once you have organized them, draw,draw,
color, and labelcolor, and label the food web on your blankthe food web on your blank
sheet of paper. (1 paper per small group)sheet of paper. (1 paper per small group)
Use the examples in your notes as aUse the examples in your notes as a
model to follow.model to follow.
Closing – Exit SlipClosing – Exit Slip
Complete the 2 questions on theComplete the 2 questions on the
half sheet of paper and turn them inhalf sheet of paper and turn them in
as you leave today.as you leave today.
Tonight’s HWTonight’s HW
Complete questions 1-2 aboutComplete questions 1-2 about
Marine Food Webs on p. 456.Marine Food Webs on p. 456.
Vocabulary Book DirectionsVocabulary Book Directions
Fold about 5 pieces of paper in half andFold about 5 pieces of paper in half and
staple them.staple them.
Write a creative title such as, “TheWrite a creative title such as, “The
Vocabulary of Life” or whatever you chooseVocabulary of Life” or whatever you choose
that describes your book.that describes your book.
For each word, write a definition and draw aFor each word, write a definition and draw a
picture of the word.picture of the word.
– Complete the following list of words to beginComplete the following list of words to begin
your book.your book.
Abiotic FactorAbiotic Factor * Food Chain* Food Chain
Biotic FactorBiotic Factor * Herbivore* Herbivore
ConsumerConsumer * Carnivore* Carnivore
ProducerProducer * Omnivore* Omnivore