energy flow in an ecosystem from producers to consumers
TRANSCRIPT
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 relationships 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?