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Sexual Selection

Sexual Selection

Sexual Selection. How it happens…. Aka, what stressors are put on by organisms to choose the best mate Sexual selection’s goal is to unite and pass on the best possible combination of genes Fitness of an organism may depend on several factors, which we will discuss. They are.

By remedy
(125 views)

Ecology Lecture 11

Ecology Lecture 11

Ecology Lecture 11. Life History Patterns 2. Overview. A mating system includes how members of a particular species (or population) choose and bond with mates how many mates per individual how parental care (if it occurs) takes place. Types of mating systems

By tovi
(152 views)

Week 8 Competition, Aggression & Violence

Week 8 Competition, Aggression & Violence

Evolutionary Psychology. Week 8 Competition, Aggression & Violence. Evolutionary Psychology. Running Order Development & aggression Who kills whom? Male-on-male Male-on-female Mate guarding & jealousy Female-on-male Female-on-female Social & environmental factors. Aim

By keefe
(143 views)

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers. Ethology & Behavioural Ecology. Plan of talk. Evolutionary origins of two sexes Typical sex roles Reversed sex roles Male-male competition Female choice. Aims & Objectives. Aims

By naomi-buckner
(362 views)

Males and females often look different

Males and females often look different

Male. Female. Males and females often look different. Sexual Dimorphism. Males and females differ in appearance (secondary sexual characteristics) Primary sexual characteristics : reproductive organs

By hope-walker
(173 views)

Behavioral Ecology

Behavioral Ecology

Behavioral Ecology. Photo from Wikimedia Commons. Ethological Underpinnings of Behavioral Ecology. Konrad Lorenz. Instinct , imprinting , etc. Photo from http://www.dabase.org/lorenz.htm. Ethological Underpinnings of Behavioral Ecology. Niko Tinbergen.

By christian-kennedy
(227 views)

Males and females often look different

Males and females often look different

Male. Female. Males and females often look different. Sexual Dimorphism. Males and females differ in appearance (secondary sexual characteristics) Primary sexual characteristics : reproductive organs

By marsden-harvey
(68 views)

Sexual selection  & mating systems

Sexual selection & mating systems

Marine Vertebrates: Lecture 16. Sexual selection & mating systems. Hypothesis 1: “Eggs are expensive, sperm is cheap!” More energy invested per egg than per sperm. Females: limited by egg production Males: limited by number of mates. Why do males usually compete, while females choose?.

By cpenney
(0 views)

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers

The Evolution of Reproductive Behaviour Chapter 10 Alcock (Animal Behavior) Tom Wenseleers. Ethology & Behavioural Ecology. Plan of talk. Evolutionary origins of two sexes Typical sex roles Reversed sex roles Male-male competition Female choice. Aims & Objectives. Aims

By waderodriguez
(2 views)


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