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20 Cards in this Set

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Ecology
The study of how organisms interact with their environment
Species
Individuals of the same kind that cannot breed with individuals belonging to different kinds
Habitat
Where an organism lives
Niche
What an organism population does, what role they occupy
Community
All the plants and animals in a given area
Population
The total of all the individuals of one species in a given area
Ecosystem
All the communities and abiotic factors (the environment) in a large area
Detritus
Once-living organic material
Limiting Factors
A necessary resource that is in short supply
Symbiosis
2 or more organisms livig together
Predator Strategies

(Structural Advantages)
1. Flexible Bodies
2. Natural Weapons
Predator Strategies

(Ambush)
1. Stalk Victim
2. Gape & Suck
3. Keen Eyesight
4. Venom
Prey Strategies

(Structural Advantages)
1. Hard Coverings
2. Thorns or Spines
3. Natural Weapons
Prey Strategies

(Chemical Warfare)
1. Blinding ink
2. Poison
3. Offensive tastes or smells
Prey Strategies

(Camouflage)
1. Mimicry
2. Color change
3. Counter-shading
4. Disruptive patterns
Mimicry
The sonic and/or optical illusion that makes prey seem like a predator.

Ex: School of fish, fake eyes, inflation
Commensalism

(2 Ex)
Host = Unaffected
Symbiont = Benefits

1. Remora on shark/whale
2. Pearl fish & Sea Cucumber
Mutualism

(1 Ex)
Host = Benefits
Symbiont = Benefits

1. Algae + Fungus = Lichen
Algae = food & oxygen
Fungus = carbon dioxide & moisture
Corals & Zooxanthellae

(Obligate Relationship)
Cnidarians (Corals) & Dinoflagellates (Zooxanthellae) have an obligate relationship

If D. leaves, C. dies
D. gets byproducts from C.'s metabolism
C. gets food from D.'s metabolism
Competition
When a resource is in short supply and one organism uses the resource at the expense of another