Energy Flow in an Ecosystem
From Producers to Consumers
What do the following words or
word parts mean?
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PhotoChemoSynthesis
HerbCarnOmni-vore
How well does your definition
match the book?

Open your textbook and look for words
that contain the word parts listed. How
well does your definition match that of the
book?
Basic Meanings (what I expect
you to know)
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Photo- Light
Chemo- Chemical
Synthesis- To make/create
Herb- Plant
Carn- Meat/Flesh
Omni- Plant and Meat
-vore - To eat/consume
Combinations that you should
know
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Photosynthesis- creating glucose using
light energy (chemosynthesis is an alternate
form that occurs when there is no sun)
Herbivore- animal that eats only plants
Carnivore- animal that eats only other
animals
Omnivore- animal that eats both plants and
animals
Feeding Relationships
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We can
show the
feeding
relationship
s between
organisms
by using
both a food
chain and a
food web
Food Webs- Interwoven food chains
Make your own

Using animals that you know about, design
your own food web in your notes. Be sure
to state where this food web could be
found.
Ecological Pyramids- Shows the relative amounts of
energy or matter in an ecosystem
Let’s work together
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Open to page 67 in the book.
We will answer these questions aloud as a
class. Write the question and answer in
your notes
Independent work

Take a review sheet for section 3-2 and
work on it. Complete it for homework
Ticket to leave today

Today, in order to leave, you need to
answer the following question on a half
sheet of paper and hand it in.
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In what ways are humans both top level and
low level consumer? Which level should be
the most advantageous? Why?