Concepts
19 concepts
mutualistic relationships
Mutually beneficial herbivore-predator associations where sap-feeding insects provide honeydew food for ants in exchange for protection against predators
neighborhood effects
The influence of surrounding plant species composition and density on individual plant fitness and associated herbivore behavior
facilitative interactions
Positive species interactions such as nurse plant effects by cushion-forming species that increase reproductive success for neighboring plants
maternal care
Parental behaviors including female-pup interactions, vigilance, and antipredator behaviors that influence offspring survival and development
food web structure
The network of feeding relationships among organisms in an ecosystem
correlation coefficient
sexual dimorphism
Differences between males and females in morphology, physiology, and/or behaviour resulting from differences in strength and shape of selection acting on each sex
chemical communication
Communication through chemical signals that mediate various aspects of social activities in insects, especially regulation of reproduction
social caste system
Division of labor in social insects with distinct morphological and behavioral castes including queens, workers, and males
macroinvertebrate community composition
The species assemblage and relative abundances of aquatic invertebrates in a habitat, used as indicators of ecosystem condition and habitat quality
female fitness
colony establishment
Initial colonization phase when winged aphids establish new colonies on host plants
stable isotope analysis
Analysis of carbon and nitrogen isotope ratios to determine trophic position and dietary composition
