1. Title: Biology 4/30/07 Objectives: Class Topics
11/18/2018
Title: Biology 4/30/07
Objectives:
To learn about ecology.
Class Topics
Hand in W.S (Making a Food Web) before the bell rings
Review Essay/Quiz
Notes - Ecology - Chapter 16
Video – “Ecology of the Human”
"The only limits to our realization of tomorrow will be our doubts of today."
Franklin D. Roosevelt
Sunday, November 18, :22 PM

2. Class Assignments W.S. 16.2 (Making a Food Web) 4/30/07
11/18/2018
Class Assignments
What
By When
W.S (Making a Food Web) 4/30/07
Read /30/07
W.S (Quiz & ½ of DR) 5/2/07
Video W.S. “Ecology of the Human” 5/2/07
Due this class period
Due next class period
Due in the future

3. 11/18/2018
Grade Sheet
2A – p. 157 (5 pts.)

4. 11/18/2018

5. 11/18/2018
Ecology
The study of the interactions between organisms (with one another) and their physical environment
Habitat
Where a particular population of organisms live
Community
The many interacting species in a habitat
Ecosystem
The community and its environment
Biodiversity
Number of organisms living in an ecosystem

6. Energy flow in Ecosystems
11/18/2018
Energy flow in Ecosystems
Producers
Photosynthesis
Consumers
All others
Trophic levels
Assigning organisms levels
Fig. 6 p.345

7. From: http://www.kesgrave.suffolk.sch.uk/
11/18/2018
Trophic levels
1st
Producers
2nd
herbivores
3rd
Omnivores, carnivores
Rarely there are 4
trophic levels (carnivores
that eat other carnivores)
Detrivores (decomposers)
From:
learningzone/subjects/geography/trophic.html

8. Energy Loss Adding trophic levels adds to energy demands
11/18/2018
Energy Loss
Adding trophic levels adds to energy demands
Decrease of factor of 10 with additional trophic level
Each trophic level has 90% less energy than the one below it
Three hundred trout are needed to support one man for a year. The trout, in turn, must consume 90,000 frogs, that must consume 27 million grasshoppers that live off of 1,000 tons of grass.  -- G. Tyler Miller, Jr., American Chemist (1971)

9. 11/18/2018
From:

10. 11/18/2018

11. 11/18/2018
From:

12. Food Chains and Webs Food Chain Food web
11/18/2018
Food Chains and Webs
Food Chain
Algae, krill, cod, leopard seal, orca
Make your own ending with humans
Food web
More complicated
Varied food sources

13. 11/18/2018

14. 11/18/2018
From:

15. Video – Human Life Butterfly Vampire bat Bed bug Tampan tick
11/18/2018
Video – Human Life
Butterfly
Vampire bat
Bed bug
Tampan tick
Flea larva
Lice (3 types)
Bacteria (skin)
Fungi
Amoeba
Ciliates
Tapeworm
Blood fluke
Tse tse fly & mosquito
Mite (facial)
Mite (scabies)