Download Organism Interactions

Organism Interactions
What features enable fish to survive in an
underwater environment?
What do you know?
• Adapting to the
• Symbiosis
environment
• Mutualism
• Natural selection
• Commensalism
• Niche
• Parasitism
• Competition
• Predation
• Population size
• Predator
adaptations
• Prey adaptations
Make a foldable for notes!
• Fold a paper “hot-dog” style
• Take one flap and cut 4 lines that are equal distance
apart
• Put your name on the back side
• Write one word per flap:
•
•
•
•
•
Competition
Predation
Mutualism
Commensalism
Parasitism
Reading Time
• Read pages 24-31 in your textbook
• When you reach a word on your
foldable do the following:
1. On the inside flap, on the back of the
word, write the definition
2. On the inside flap, on the right side give
some examples (words and pictures)
On the back
• Symbiosis
• A close relationship between organisms
• Natural Selection
• Unique characteristics best suited for
survival are passed on from generation to
generation
Types of Living Relationships
• Predator/prey - one species gets food
the other is eaten.
• Commensalism - one species benefits.
The other is neither harmed nor
helped.
• Mutualism - two species working
together both are benefitted.
• Parasitism - One species is benefitted
the other is harmed and sometimes
killed.
On the back
• These symbiotic relationships all have to do with
making things easier (using less energy) on one or
both organisms involved.
• Parasites get energy from host
• In mutualism organisms work together to save
energy
• Commensalism one organism doesn’t waste as
much energy
• Predators have adaptations so prey are easier to
catch (less energy used) and prey have
adaptations that make them harder to catch
(more energy required for predator)
Examples Galore!
• Amazing Symbiosis: Ant Army Defends Tree:
https://www.youtube.com/watch?v=Xm2qdxVVRm
4
• Symbiosis: Mutualism, Commensalism, and
Parasitism:
https://www.youtube.com/watch?v=zSmL2F1t81Q
&list=PL-Bdd6Cexp8rAibIZn1jLi3hN9FGZZGoU
• World's Deadliest - Zombie Snails:
https://www.youtube.com/watch?v=Go_LIz7kTok
• A tapeworm hatches inside a cow. When they
hatch, they eat all the food in the cow’s stomach as
he eats it. This would be an example of what type
of symbiosis?
A. Commensalism
B. Mutualism
C. Parasitism
• The animal doing the hunting is the
A. Predator
B. prey
• A bird eats fleas off a hippos back. This is an
example of what type of symbiotic relationship?
A. Commensalism
B. Mutualism
C. Parasitism
How Predators and Prey Affect
Each Other
• Worksheet-Organisms Interactions Due 9/19