Chapter 5&6 Vocabulary

Chapter 5

VOCABULARY TERMS 

• ecosystem diversity • recombination • sympatric speciation 

• species diversity • phenotype • genetically modified organisms 

• genetic diversity • evolution by artificial selection • range of tolerance 

• species richness • evolution by natural selection • fundamental niche 

• species evenness • fitness • realized niche • phylogenies • adaptations • distribution 

• evolution • genetic drift • niche generalists • microevolution • bottleneck effect
 • niche specialists • macroevolution • founder effect • fossils • genes
 • geographic isolation • mass extinction • genotype

 • reproductive isolation • mutation • allopatric speciation 

Chapter 6 

• Population • Exponential growth model • Resource partitioning 

• Community • J-shaped • Predation • Population ecology • Logistic growth model
• Pathogens • Population size • S-shaped • Mutualism
 • Population density • Overshoot • Commensalism 

• Population distribution • Die-off • Symbiotic • Sex ratio
• K-selected species • Keystone species • Age structure
 • R-selected species • predator-mediated competition 

• Density-dependent factors • Survivorship curves • Ecosystem engineers 

• Limiting resource • Corridors • Ecological succession 

• Carrying capacity • Metapopulation • Primary succession • Density-independent factors 

• Community ecology • Secondary succession • Growth rate • Competition • Pioneer species 

• Intrinsic growth rate • Competitive exclusion principle • Theory of island biogeography