Schwerpunkt 1: Biodiversity, Behaviour, Evolution at Tierärztliche Hochschule Hannover | Flashcards & Summaries

Lernmaterialien für Schwerpunkt 1: Biodiversity, Behaviour, Evolution an der Tierärztliche Hochschule Hannover

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What shapes the Distribution of individuals in space and time?
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abiotic factors
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How is the genetic Basis influencing the behaviour of individuals and populations within species?

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genetic Elements that are coding for specific tactics of predispositions can be different
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What are the types of feeding Competition?
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1. indirect/Exploitation/scramble Competition

2. direct/interference/contest competition

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What are Methods to detect behavioral Variation?
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  1. Observation of behaviour in nature (wildtype populations, no Action)
  2. behavioral Experiments (changing Environment)
  3. quantitative genetic studies (intraspecific crosses, parent-offspring comparisons, artificial selection)
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What are social factors for the Distribution of individuals?
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1. social cost/Benefit trade-Offs for Living in dispersed or cohesive social Groups of varying size and composition

2. Kinship
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How does Food influence the spatial Distribution of individuals?
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  • Food resources are limited
  • Evolution of intraspecific competition
  • Food Limits Fitness of females more than that of males
Lösung ausblenden
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What is the genotype Environment interaction and how is it influencing the behaviour of individuals and populations within species?
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TESTE DEIN WISSEN
phenotypes depend on the interaction between different genotypes and different environments

divergent norms of reaction: function that describes how a genotype is translated into a behavioral phenotype by that environment
Lösung ausblenden
TESTE DEIN WISSEN
What are characteristics of indirect feeding Competition?
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TESTE DEIN WISSEN
no direct interaction between competitors
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What are characteristics of direct feeding Competition?
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TESTE DEIN WISSEN
direct (aggressive) conflict over food
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What are the evolutionary consequences of direct Competition?
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  • resources are defended --> Evolution of territoriality
  • disparity in size, strength, Speed, experience --> Evolution of dominance hierarchies
  • Evolution of coalitionary behaviour
  • Evolution of nepotism (favoring related individuals)
Lösung ausblenden
TESTE DEIN WISSEN
What are Parameters of the Environment influencing behaviour of individuals and species?
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TESTE DEIN WISSEN
  • Distribution of resources - type of resource defence
  • sexual selection - preferences for sexual Signals (ratio male:female)
  • Population Density - stress - reproduction (more Density -> more stress)
  • presence/Absence of parasites - reproductive succes, feeding behaviour
  • norm of reaction - Response to different Environment (difference of Magnitude of Change)
Lösung ausblenden
TESTE DEIN WISSEN
What are factors that are influencing the behaviour of individuals and populations within a species?
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TESTE DEIN WISSEN
  • Environment - phenotypic plasticity
  • genetic basis
  • genotype Environment interaction (GxE)
Lösung ausblenden
  • 69252 Karteikarten
  • 620 Studierende
  • 2 Lernmaterialien

Beispielhafte Karteikarten für deinen Schwerpunkt 1: Biodiversity, Behaviour, Evolution Kurs an der Tierärztliche Hochschule Hannover - von Kommilitonen auf StudySmarter erstellt!

Q:
What shapes the Distribution of individuals in space and time?
A:
abiotic factors
Q:

How is the genetic Basis influencing the behaviour of individuals and populations within species?

A:
genetic Elements that are coding for specific tactics of predispositions can be different
Q:
What are the types of feeding Competition?
A:
1. indirect/Exploitation/scramble Competition

2. direct/interference/contest competition

Q:
What are Methods to detect behavioral Variation?
A:
  1. Observation of behaviour in nature (wildtype populations, no Action)
  2. behavioral Experiments (changing Environment)
  3. quantitative genetic studies (intraspecific crosses, parent-offspring comparisons, artificial selection)
Q:
What are social factors for the Distribution of individuals?
A:
1. social cost/Benefit trade-Offs for Living in dispersed or cohesive social Groups of varying size and composition

2. Kinship
Mehr Karteikarten anzeigen
Q:
How does Food influence the spatial Distribution of individuals?
A:
  • Food resources are limited
  • Evolution of intraspecific competition
  • Food Limits Fitness of females more than that of males
Q:
What is the genotype Environment interaction and how is it influencing the behaviour of individuals and populations within species?
A:
phenotypes depend on the interaction between different genotypes and different environments

divergent norms of reaction: function that describes how a genotype is translated into a behavioral phenotype by that environment
Q:
What are characteristics of indirect feeding Competition?
A:
no direct interaction between competitors
Q:
What are characteristics of direct feeding Competition?
A:
direct (aggressive) conflict over food
Q:
What are the evolutionary consequences of direct Competition?
A:
  • resources are defended --> Evolution of territoriality
  • disparity in size, strength, Speed, experience --> Evolution of dominance hierarchies
  • Evolution of coalitionary behaviour
  • Evolution of nepotism (favoring related individuals)
Q:
What are Parameters of the Environment influencing behaviour of individuals and species?
A:
  • Distribution of resources - type of resource defence
  • sexual selection - preferences for sexual Signals (ratio male:female)
  • Population Density - stress - reproduction (more Density -> more stress)
  • presence/Absence of parasites - reproductive succes, feeding behaviour
  • norm of reaction - Response to different Environment (difference of Magnitude of Change)
Q:
What are factors that are influencing the behaviour of individuals and populations within a species?
A:
  • Environment - phenotypic plasticity
  • genetic basis
  • genotype Environment interaction (GxE)
Schwerpunkt 1: Biodiversity, Behaviour, Evolution

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