Transcript Slide 1

Table of Contents
Ecology
Activity 13: Symbiotic Relationships
Page #’s
1-
Symbiotic Relationships
Challenge

How do organisms gain or lose from
their interactions with each other?
New
Activity
New Page
Activity 13: Symbiotic Relationships
Key
Vocabulary
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symbiosis
amensalism
commensalism
mutualism
parasitism
Activity 13: Symbiotic Relationships
Symbiotic Relationships
Get
Started
Do NOT write …. Just answer verbally

How would you describe the relationship
between a producer and a consumer?
Prey
Predator
Producer
Co2
Primary Consumer
O2
O2
Co2
Eat
Photosynthesis
Activity 13: Symbiotic Relationships
Cellular Respiration
Introduction
Read the introduction
Page 116
+ examine the photo under
the challenge in your textbook

How do you think it affects the crab to
have the other organisms growing on it?
Activity 13: Symbiotic Relationships
Notes: write
this down
+
Introduction
=
positive
-
=
0
=
negative
neutral
(not good or bad)
Types of Symbiotic Relationships:
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Mutualism
Commensalism
Amensalism
Parasitism
Activity 13: Symbiotic Relationships
+ +
+ 0
- 0
+ -
Introduction
Mutualism: + , +
Activity 13: Symbiotic Relationships
Introduction
Commensalism: + , 0
Activity 13: Symbiotic Relationships
Introduction
Amensalism:
0,Black walnut tree
secretes chemical
from roots and
kills neighboring
plants.
Activity 13: Symbiotic Relationships
Introduction
Parasitism: + , -
Activity 13: Symbiotic Relationships
Introduction
 Trials
of Life : Living Together
 Video Worksheet
Activity 13: Symbiotic Relationships
Introduction
Use Symbiosis Cards

Read each card and write down the organism
name in the first column
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Describe the symbiosis between the organisms in
the second column
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Write which type of symbiotic relationship it is
(mut, comm, amm, parasit) in the third column,
Activity 13: Symbiotic Relationships
Procedure
Organism
Type of
Symbiosis
Painted
greenling fish
Mutualism
Activity 13: Symbiotic Relationships
Corrections
Procedure
Organism
Painted
Greenling Fish
Diatoms
Acid Seaweed
Nematodes
Bat Stars
Symbiosis
Mutualism
Amensalism
Mutualism
Parasitism
Commensalisms
Activity 13: Symbiotic Relationships
Corrections
Procedure
Organism
Symbiosis
Giant Green
Anemones
Mutualism
Decorator Crab
Leopard
Sharks
Senorita Fish
Copepods
Corrections
Commensalisms
Mutualism
Mutualism
Parasitism
Activity 13: Symbiotic Relationships
Procedure
Organism
Red Rock
Shrimp
Bay pipefish
Ribbon Worms
Symbiosis
Corrections
Mutualism
Commensalisms
Parasitism
Black Sea
Nettle
Mutualism
Fat Innkeeper
Worm
Mutualism
Activity 13: Symbiotic Relationships
Procedure

Answer Analysis Questions
1, 2 & 4 page 118
Activity 13: Symbiotic Relationships
Revisit the
Challenge

How do organisms gain or lose
from their interactions with each
other?
Answer:
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The close relationship between
organism’s is symbiosis. This
relationship is part of the balance
required for ecosystem to be
sustainable.
Activity 13: Symbiotic Relationships