Energy Flow in an Ecosystem

1
Energy Flow in an Ecosystem

• From Producers to Consumers

2
What do the following words or word parts mean?

• Photo-
• Chemo-
• Synthesis
• Herb-
• Carn-
• Omni-
• -vore

3
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?

4
Basic Meanings (what I expect you to know)

• Photo- Light
• Chemo- Chemical
• Synthesis- To make/create
• Herb- Plant
• Carn- Meat/Flesh
• Omni- Plant and Meat
• -vore - To eat/consume

5
Combinations that you should know

• 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

6
Feeding Relationships

• We can show the feeding relationships between
  organisms by using both a food chain and a food
  web

7
Food Webs- Interwoven food chains
8
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.

9
Ecological Pyramids- Shows the relative amounts
of energy or matter in an ecosystem
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Lets work together

• Open to page 67 in the book.
• We will answer these questions aloud as a class.
  Write the question and answer in your notes

13
Independent work

• Take a review sheet for section 3-2 and work on
  it. Complete it for homework

14
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.
• In what ways are humans both top level and low
  level consumer? Which level should be the most
  advantageous? Why?