initiation describe a time in your life when you worked together with someone to achieve a common...
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InitiationDescribe a time in your life when you worked together with someone to achieve a common
goal.
What kind of relationship did you have to have with that person?
What would have happened if that person wasn’t around to help out?
Unit 7EcologyDiscussion 7.2
Objectives
SWBAT...identify the interactions that occur within communities.
SWBAT...identify the characteristics of major biomes.
Key QuestionsWhat interactions occur within
communities?
What are the unique characteristics of the world’s
major biomes?
Words To Live By...biotic factor
abiotic factorniche
symbiosismutualism
commensalismparasitism
biome
Key PointsBiotic and abiotic factors determine the survival
and growth of in organism in a particular ecosystem.
Community relationships, such as competition, predation, and various forms of symbiosis, can
powerfully affect an ecosystem.
The world has several major biomes that consist of complex comunities interacting with various biotic
and abiotic conditions.
Biotic and Abiotic Factors
Biotic Factors:
Abiotic Factors:
In the following picture, name the biotic and abiotic factors?
Biotic means LIVING
Abiotic means NONLIVING
NicheAn organisms niche is the specific role it plays in
its environment.What does this organisms
eat?
What physical conditions are required for it to survive?
When and how does this organism reproduce?
Slugs, Earthworms, Fish, Toads
Semi-Aquatic, Lots of places to hide.
Mating occurs in the spring. Females give birth to live young.
Community interactions have a powerful affect on
am ecosystem!Two common interactions are Competition and Predation.
Which one is which??? Describe.
SymbiosisSymbiosis is any relationship in which two
organisms live closely together.
3 Types of Symbiosis
MutualismCommensalism
Parasitism
As you watch the video, come up with your own definitions of the three types of mutualism.
http://www.5min.com/Video/Interspecific-Associations-Symbiosis-151425985
Symbiosis and Homework
You and your friend have decided to work on a major project for biology class together.
Describe the situation if:
Mutualism was occurring...
Commensalism was occurring...
Parasitism was occurring...
Types of Mutualism
Types of Commensalism
WARNING WARNING WARNING WARNING
It’s about to get gross!!!!
Types of Parasitism
http://www.electroherbalism.com/
Naturopathy/MiscAltHealthTopics/Parasites/
Parasite_Pictures_and_videos.htm
TerminationDescribe a times in your life in which you performed:
MutualismCommensalism
Parasitism
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