Vocab Flashcards
Food web
Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
Food chain
Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
Exponential growth
Growth pattern in which the individuals in a population reproduce at a constant rate
Logistic growth
Growth pattern in which a populations growth slows then stops following a period of exponential growth
Density-dependent limiting factor
Limiting factor that depends on a populations density
Density independent factor
Limiting factor that affects all populations in similar ways regardless of population density
Cell theory
- all living things are made up of cells
- cells come from other cells
- cells are basic units of life
Parasitism
Symbiotic relationship in which one organism lives on or inside another organisms and harms it
Commensalism
Symbiotic relationship in which one organism benefits and the other is neither helped nor harmed
Mutualism
Symbiotic relationship in which both species are benefited by their relationship
Ecosystem
Interaction of a community with it’s environment
ATP
Cluster of proteins that span the cell membrane and allow hydrogen ions (H+) to pass through it
Primary succession
Succession that occurs in an area in which no trace of a previous community is present
Secondary succession
Type of succession that occurs in an area that was only partially destroyed by disturbances
Abiotic factor
Physical (non living) pArt of the environment that shapes an ecosystem
