Energy Flow in an Ecosystem From Producers to Consumers

What do the following words or word parts mean? Photo- Chemo- Synthesis Herb- Carn- Omni- -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) 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 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 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 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. In what ways are humans both top level and low level consumer? Which level should be the most advantageous? Why?