Shared Flashcard Set

Details

ecology part 1
test-habitat
38
Biology
10th Grade
10/24/2012

Additional Biology Flashcards

 


 

Cards

Term
Habitat
Definition
Where an organism lives
Term
Niche
Definition
The way an organism uses his habitat, his job
Term
Symbiosis
Definition
Relationship between 2organisms where one organism lives on or in another
Term
Parasitism
Definition
One organism benefits and the other is harmed
Term
Commencialism
Definition
One organism benefits the other is unharmed
Term
Mutualism
Definition
Both organisms benefit
Term
Predation
Definition
One organism captures and feeds on another organism
Term
Predator
Definition
Hunter
Term
Prey
Definition
Hunted by predator
Term
Competition
Definition
When organisms use the same resources at the same time
Term
Population dynamics
Definition
Birthrate,mortality(death) rate,immigration,emigration
Term
Limiting factors
Definition
Physical or chemical factors that limit the growth of an organism or the growth of a population
Term
Invasive species
Definition
Normally live outside the habitat
Term
Competitive exclusion principle
Definition
No 2 species can occupy the same niche in the same habitat at the same time
Term
Population density
Definition
Number of organisms of the same species living in a habitat
Term
Limiting factor
Definition
Chemical or physical factor that limits the growth,distribution, existence, abundance, of an organism or population
Term
Immigration
Definition
Moving into an area
Term
Emigration
Definition
Moving out of an area
Term
J Curve
Definition
Reproduction at a constant rate
Term
S Curve
Definition
Pollution slows or stops
Term
Lag phase
Definition
Term
Stationary phase
Definition
Term
Death phase
Definition
Term
Lag phase
Definition
Term
Exponential growth phase
Definition
Term
Carrying capacity
Definition
Number of organisms in ecosystem that can be accomodated
Term
Density independent limiting factor
Definition
Affect a population in spite of the density
Term
Density dependent limiting factor
Definition
Limiting factors that depend on population size
Term
Death phase
Definition
Term
Stationary phase
Definition
Term
Lag phase
Definition
Term
S Curve
Definition
Pollution slows or stops
Term
Emigration
Definition
Moving out of an area
Term
J Curve
Definition
Reproduction at a constant rate
Term
Population density
Definition
Number of organisms of the same species living in a habitat
Term
Competitive exclusion principle
Definition
No 2 species can occupy the same niche in the same habitat at the same time
Term
Invasive species
Definition
Normally live outside the habitat
Term
Competition
Definition
When organisms use the same resources at the same time
Supporting users have an ad free experience!