Skip to content
Login Register

#competition

38 public questions tagged with this topic.

Physiology and Immunology

Two species or populations are competing for the exact same resources, and one will eventually exclude the other. What i

In ecology and evolution, evolutionary adaptation dictates that selection and population dynamics shape traits. Therefore Competitive exclusion is correct as it explains adaptive diversity, supported by mechanistic studies and conserved across related systems.

Ref: Begon, Townsend and Harper, Ecology: From Individuals to Ecosystems, 4th Edition, Chapter 5, Population Ecology, discusses population dynamics, competition, predation and community interactions explaining ecological stability, ecosystem processes and biodiversity conservation relevant to environment

View Details
TERRITORY BEHAVIOUR

Territoriality reduces competition by:

Territoriality is occupation and exclusive defense of area against conspecifics to secure resources like food, mates or nesting sites, differing from home range which is undefended. Benefits include exclusive resource access, costs involve time and energy for patrolling and aggression. Optimal territory size maximizes net benefit. Defense via song, scent marking, visual displays and aggression maintains boundaries. This behavior illustrates resource defense theory central to behavioral ecology. Hence Spacing individuals defines area defense strategy. This concept integrates genetics, ecology a

Ref: Krebs & Davies, Behavioural Ecology, Chapter 5: Territoriality.

View Details
Sexual selection

Intrasexual selection often results in:

Sexual selection, proposed by Darwin in 1871, favors traits increasing mating success rather than survival, via intrasexual competition among same sex and intersexual choice where choosier sex, often females investing more in gametes, selects mates. It explains elaborate ornaments, good genes indicators like MHC diversity and parasite resistance per Hamilton-Zuk hypothesis. Fisherian runaway and handicap principles describe coevolution of preference and trait. Therefore Weapons describes process enhancing reproductive rather than viability fitness. This concept integrates genetics, ecology and

Ref: Andersson, Sexual Selection, Princeton, Mate Choice and Good Genes.

View Details