LESSON 4 Flashcards
is shaped by natural selection, favorinng traits that increase an individual’s chances of survival & reproduction
Animal Behavior
enumerate:
What are the 4 Basis for Animal Behavior:
- Natural selection
- Behavioral traits
- Fitness
- Adaptive behaviors
this are organism traits better suited to their environment are more likely to survive & reproduce
Natural Selection
behaviors like finding food, escaping predators & attracting mate are influenced by ________ can be passed down trough generations
genes
an individuals ability to survive & reproduce successfully
fitness
behaviors that increase an idividuals fitness, making them more likely to survive and passed these traits
adaptive behavior
key concepts related to the evolutionary basis of animal behavior
- behavioral ecology
- sociobiology
study of evolutionary basis of animal behavior, focusing on how behavior is shaped by ecological factors
Behavioral Ecology
study of biological basis of social behavior, focus on the role of genes & evolution in shaping social interactions
sociobiology
what are the 2 fundamental principles?
- Natural Selection
- Genes
known as the driving force or the heart of evolutionary basis of animal behavior
Natural Selection
known as the interplay; the genetic make up on animal significantly influence it’s behavior. It codes for protein that affect brain development & functions influencing animals predisposition towards certain behavior.
Genes
environments interact with genes, shaping the expression of behavioral traits
Gene-environment interaction
what are the 5 key concepts in behavioral ecology
- Adaptive behaviors
- Cost-Benefit Analysis
- Optimal Foraging Theory
- Sexual Selection
- Kin selection
this face trade offs, ex. a behavior might offer benefits (acces to food) but it might also incur cost (increased risk of predation)
Cost-Benefit Analysis
natural selection favors behaviors that minimizes the net benefit
Benefit Minus Cost
this theory predicts that animals will adopt foraging strategies that maximize their energy intake while minimizing the energy expendicture & risk
Optimal Foraging Theory
specific type of natural selection where traits enhance an individual’s ability to attract mates, this are favored even if those traits might compromise as well
ex: peacocks bright feathers attract females, even though they also attract predators
Sexual Selection
attruistic behavior; this behavior benefits other at a cost to the individual. This behavior evolve if they benefit to close relatives who share the same genes.
kin selection theory
what are the example of Evolutionary Behavior
Migration
Predator-prey interaction
Social Behavior
