Unt 1: The Living World Flashcards
Relationship between two species in an ecosystem
Symbiosis
Interaction where two species benefit
Mutualism
Interaction where one species benefits, and the other is neutral
Commensalism
Interaction where one species benefits and the other is harmed
Parasitism
Occurs within a species when there are limited resources
Competition
Division of resources to avoid competition
Resource partitioning
Organisms that produce their own food / nutrients
Autotrophs
Organisms that rely on eating others for nutrients
Heterotrophs
An organism incapable of photosynthesis
Consumer
Carnivore that eats primary consumers
Secondary consumer
Last consumer of an organism
Tertiary consumer
Total amount of solar energy that producers capture & convert via photosynthesis over a period of time
GPP (Gross Primary Productivity)
Energy captured by producers minus the energy producers respire
NPP (Net Primary Productivity)
A location where nutrients reside for various amounts of time
Reservoir
Earth’s reservoirs are …
Atmosphere, Lithosphere, Hydrosphere, Biosphere