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Related Concept Videos

Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

149
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
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What is Natural Selection?01:32

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Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
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Evolutionary Psychology01:20

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Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
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Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
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Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

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Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
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Quantifying Corticolous Arthropods Using Sticky Traps
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Biological control needs evolutionary perspectives of ecological interactions.

Arnaud Sentis1, Jean-Louis Hemptinne2,3, Alexandra Magro2,3

  • 1INRAE Aix Marseille University, UMR RECOVER Aix-en-Provence France.

Evolutionary Applications
|November 4, 2022
PubMed
Summary

Evolutionary optimization of local biological control agents (BCAs) is crucial for sustainable agriculture. Harnessing natural evolution and human-driven manipulation enhances BCA efficiency and resilience against pests in changing environments.

Keywords:
agentsclimate changeevolutiongeneticsinvasionspestssymbionts

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Area of Science:

  • Evolutionary biology
  • Ecology
  • Agroecosystems

Background:

  • Ecological interactions are key to biological control, but evolution's role is underestimated.
  • Restrictions on pesticides and exotic agents necessitate optimizing local biological control agents (BCAs).

Purpose of the Study:

  • To review the importance of natural evolutionary processes and human manipulation for BCA improvement.
  • To discuss the interplay between natural evolution and artificially enhanced BCAs in agroecosystems.

Main Methods:

  • Literature review of studies on natural evolution and human manipulation of BCAs.
  • Analysis of factors influencing BCA evolution in agroecosystems (heritable variation, selection, stochasticity).

Main Results:

  • Evolutionary processes significantly impact BCA performance and pest interactions.
  • Human interventions like artificial selection and genetic engineering can enhance BCAs.
  • BCAs operate within complex communities, facing diverse selective pressures.

Conclusions:

  • Integrating evolutionary approaches optimizes BCAs for changing conditions.
  • Understanding community-level interactions and selective forces is vital for effective biological control.
  • Evolutionary strategies promote agroecosystem sustainability.