Biological Disciplines Relating To Ecological Study

Biological Disciplines Relating To Ecological Study

EVOLUTIONEVOLUTION

BEHAVIOBEHAVIORR

GENETICSGENETICS

PHYSIOLOGYPHYSIOLOGY

Applied Ecology; Management

Organization of Biological WorldBiosphere

Landscape

Ecosystem

Community

Population

Individual

Organ

Tissue

Cell

Organelle

Atom

INCREASED KNOWLEDGEINCREASED KNOWLEDGE

INCREASED COMPLEXITYINCREASED COMPLEXITY

Types of Ecological StudyTypes of Ecological Study

• AUTECOLOGY

Types of Ecological StudyTypes of Ecological Study

• SYNECOLOGY

Introduction

Frigate bird

Introduction

“Nothing in biology makes sense except in the light of evolution”Theodosius Dobzhansky

Introduction

• Major Advances– Hypothesis Testing

• Testing ideas about how the natural world works

• A hypothesis is developed to explain an observed phenomenon.

• Testing Ideas about How the Natural World Works– Null Hypothesis

• Hypothesis of no difference

– Alternative Hypothesis•

Most feeding is done below neck height.Males Females

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Fee

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g h

eig

ht

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ers)

Percentage of feeding bites0 20 40

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• Testing Ideas about How the Natural World Works– Null Hypothesis

• Hypothesis of no difference

– Alternative Hypothesis