1. Plan for today Part 1 Wrap up the food web virtual lab from Last week
#1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Plan for today
Part 1
Wrap up the food web virtual lab from Last week
Take out your instruction sheet and data tables
Part 2
Notes and activity on Symbiosis

2. Title today’s notes DAY 4 Ecosystem Relationships #1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Title today’s notes
DAY 4
Ecosystem Relationships

3. Ecosystem relationships
“What separates humans from other creatures is our ability to care about others.”
QOD (5 min) What do you think about the quotation above? Do you think it is true that humans are the only animals that care about each other?

4. #1.5 Aim: How do organisms in an ecosystem interact?

5. Relationships in nature
#1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Relationships in nature
In the food web virtual lab we looked at 1 kind of relationship.
Pedator-Prey
There are other ways that organisms interact.

6. Symbiosis
Use the ipads to look up symbiosis and the three types of symbiosis-commensalism, parasitism, and mutualism.
Make a pamphlet.
Front panel: Define Symbiosis
Inside: Define each type of symbiosis with an example of each.
Include some kind of image for each
On the 2 remaining back panels, include predation and cooperation.

7. Symbiosis Symbiosis – living together #1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Symbiosis
Symbiosis – living together

8. #1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
#1) Commensalism
Commensalism –one organism benefits, and the other is neither helped nor harmed (+, 0).
Ex: barnacles on whales

9. #1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
#2) Parasitism
Parasitism –one organism lives in or on another organism, and harms it (+, -).
Ex: tapeworm in humans
The “head” that attaches to your intestines 

10. #1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
#3) Mutualism
Mutualism –both organisms benefit from the relationship (+, +).
Ex: insects pollinating flowers

11. Name of poster: Ex: Human head lice
#1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Name of poster: Ex: Human head lice
picture
Type of interaction
Ex: parasitism
Definition of relationship
Ex: In this interaction, one organism lives in or on another organism, and harms it
Description of specific relationship
Ex: Head lice are small parasitic wingless insects that…

12. Summary Which types of interactions are these?
#1.5 Aim:
How do organisms in an ecosystem interact?
Agenda
QOD (5)
Lesson: commensalism, mutualism, and parasitism (oh my) (15)
Activity: relationships(15)
Summary
Share (5)
HW #4
Summary
Which types of interactions are these?
Lichen: a combination fungi-plant. The plant part photosynthesizes to make energy, the fungus provides structure
Licorice fern growing out of a moss-covered tree trunk