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Ecology Course
More than 2 million students worldwide

Ecology Course

Master the science of life on Earth with a comprehensive Ecology Course that takes you from foundational concepts to cutting-edge conservation strategies. Explore population dynamics, ecosystem energy flow, biogeochemical cycles, and global change ecology through a structured, evidence-based curriculum. Whether you're pursuing a career in environmental science or deepening your scientific expertise, this course gives you the analytical tools and ecological knowledge to make a real difference.

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What you will learn:

This course covers the scope of ecological science, beginning with scientific methods and moving through organism adaptations, population growth models, species interactions, and community structure. You will analyze energy flow and efficiency across ecosystems, trace nutrient cycles, and examine how landscape fragmentation affects biodiversity. The curriculum addresses climate change impacts, extinction drivers, and evidence‑based conservation strategies. Supplementary modules introduce aquatic ecology, soil processes, evolutionary ecology, quantitative modeling, field sampling protocols, and science communication. By the end you will be equipped to interpret ecological data, evaluate environmental problems, and apply ecological principles to management and policy decisions.

How you study in practice Ecology Course

How you practice Ecology Course

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Course content

8 Chapters • 39 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Ecological Science

  • Lesson 1 • Measurement and Units in Ecology

    Introduces standard units, scales, and measurement tools used across ecological disciplines. Ensures students can interpret and compare ecological data accurately.

  • Lesson 2 • Defining Ecology and Its Scope

    Introduces ecology as a scientific discipline and maps its relationship to biology and environmental science. Provides the definitional base for the entire course.

  • Lesson 3 • Scientific Method in Ecology

    Covers hypothesis formation, experimental design, and observation techniques specific to ecological research. Links scientific rigor to reliable ecological conclusions.

  • Lesson 4 • History of Ecological Thought

    Traces the development of ecology from natural history to modern systems science. Contextualizes current theories within their intellectual origins.

Chapter 2See details

Organisms and Their Environments

  • Lesson 1 • Physiological Adaptations to Environment

    Analyzes how organisms regulate internal conditions in response to external stressors. Demonstrates the link between physiology and ecological success.

  • Lesson 2 • Behavioral Ecology Fundamentals

    Covers foraging, mating, and habitat selection as ecologically driven behaviors. Shows how behavior maximizes fitness within environmental constraints.

  • Lesson 3 • Abiotic Factors and Tolerance Ranges

    Explores temperature, light, water, and soil as drivers of organism distribution. Connects physical environment to species presence and abundance.

  • Lesson 4 • Ecological Niche Concept

    Defines the niche as a multidimensional space of resource use and environmental tolerance. Prepares students for understanding species interactions and community structure.

Chapter 3See details

Population Ecology

  • Lesson 1 • Metapopulation Dynamics

    Introduces patch occupancy, extinction, and recolonization in fragmented landscapes. Extends single-population models to spatially structured systems.

  • Lesson 2 • Population Growth Models

    Presents exponential and logistic growth equations and their biological assumptions. Enables students to model and interpret real population trajectories.

  • Lesson 3 • Population Structure and Measurement

    Introduces density, dispersion, and demographic structure as foundational population descriptors. Establishes the metrics used throughout population ecology.

  • Lesson 4 • Life History Theory

    Examines trade-offs between reproduction, survival, and growth across life stages. Connects life history traits to population-level outcomes.

  • Lesson 5 • Population Regulation Mechanisms

    Distinguishes density-dependent and density-independent factors that limit population size. Explains how regulation maintains populations within ecological bounds.

Chapter 4See details

Species Interactions and Community Ecology

  • Lesson 1 • Competition Among Species

    Covers interspecific competition theory, including Lotka-Volterra models and resource partitioning. Explains how competition structures community membership.

  • Lesson 2 • Predation, Herbivory, and Parasitism

    Analyzes consumer-resource relationships and their population-level consequences. Demonstrates how top-down forces regulate community structure.

  • Lesson 3 • Mutualism and Commensalism

    Examines positive species interactions and their ecological and evolutionary significance. Balances the course's focus on antagonistic interactions.

  • Lesson 4 • Community Structure and Diversity

    Introduces species richness, evenness, and diversity indices as community descriptors. Connects interaction outcomes to measurable community patterns.

  • Lesson 5 • Ecological Succession

    Traces primary and secondary succession from disturbance to climax community. Shows how communities change predictably through time.

Chapter 5See details

Ecosystem Ecology and Energy Flow

  • Lesson 1 • Ecosystem Concept and Boundaries

    Defines ecosystems as coupled biotic-abiotic systems and discusses boundary delineation. Establishes the unit of analysis for energy and nutrient studies.

  • Lesson 2 • Trophic Structure and Food Webs

    Maps energy flow through producers, consumers, and decomposers in food web networks. Reveals structural properties that determine ecosystem stability.

  • Lesson 3 • Decomposition and Detrital Pathways

    Analyzes the role of decomposers and detritivores in recycling organic matter. Completes the energy flow picture by including non-living organic pools.

  • Lesson 4 • Primary Productivity

    Distinguishes gross and net primary productivity and the factors that control them. Provides the energy baseline for all trophic analyses.

  • Lesson 5 • Energy Transfer Efficiency

    Applies the ten-percent rule and ecological efficiency concepts to real food webs. Explains why energy limits the length of food chains.

Chapter 6See details

Biogeochemical Cycles

  • Lesson 1 • Carbon Cycle Dynamics

    Follows carbon through photosynthesis, respiration, decomposition, and geological storage. Links carbon flux to climate regulation and ecosystem function.

  • Lesson 2 • Hydrological Cycle

    Traces water movement through evapotranspiration, precipitation, runoff, and groundwater. Connects water availability to productivity and nutrient transport.

  • Lesson 3 • Human Disruption of Nutrient Cycles

    Quantifies anthropogenic inputs to carbon, nitrogen, and phosphorus cycles. Prepares students to evaluate ecosystem degradation and restoration needs.

  • Lesson 4 • Nitrogen Cycle and Fixation

    Covers nitrogen fixation, nitrification, denitrification, and atmospheric exchange. Explains nitrogen as a primary limiting nutrient in most ecosystems.

  • Lesson 5 • Phosphorus and Sulfur Cycles

    Examines sedimentary phosphorus cycling and atmospheric sulfur pathways. Highlights differences between cycles with and without atmospheric phases.

Chapter 7See details

Landscape Ecology and Spatial Patterns

  • Lesson 1 • Landscape Metrics and GIS Applications

    Introduces quantitative landscape indices and geographic information system tools for ecological analysis. Enables students to measure and map landscape change.

  • Lesson 2 • Spatial Ecology and Movement

    Covers dispersal, home range, and movement ecology as links between landscape structure and population dynamics. Integrates spatial data with ecological theory.

  • Lesson 3 • Habitat Fragmentation Effects

    Examines edge effects, area loss, and isolation as drivers of biodiversity decline. Connects landscape change to population viability and extinction risk.

  • Lesson 4 • Island Biogeography Theory

    Applies MacArthur-Wilson equilibrium theory to habitat islands and fragmented landscapes. Predicts species richness from area and isolation parameters.

  • Lesson 5 • Landscape Structure and Composition

    Defines patches, corridors, and matrix as landscape elements and their ecological roles. Provides the spatial vocabulary for landscape-level analysis.

Chapter 8See details

Global Change and Applied Ecology

  • Lesson 1 • Biodiversity Loss and Extinction

    Quantifies current extinction rates, drivers, and consequences for ecosystem function. Motivates conservation action with ecological and functional evidence.

  • Lesson 2 • Climate Change Ecological Impacts

    Documents phenological shifts, range changes, and community reorganization driven by warming. Applies earlier chapters' concepts to a global-scale stressor.

  • Lesson 3 • Conservation Biology Principles

    Applies population viability analysis, reserve design, and connectivity planning to species protection. Translates ecological theory into actionable conservation strategies.

  • Lesson 4 • Sustainability and Ecosystem Services

    Evaluates provisioning, regulating, and cultural ecosystem services within sustainability frameworks. Connects ecological health to human well-being and long-term resource use.

  • Lesson 5 • Ecosystem Management and Policy

    Integrates ecological science with adaptive management frameworks and environmental governance. Prepares students to communicate ecological findings to decision-makers.

  • Lesson 6 • Ecological Restoration Methods

    Covers passive and active restoration techniques for degraded ecosystems. Demonstrates how ecological succession and nutrient cycle knowledge guides recovery.

Certification

Your valid completion certificate

This course is for you:

  • Biology undergraduates: seeking to specialize and build a rigorous ecological foundation.

  • Environmental consultants: needing stronger scientific grounding to support client recommendations.

  • Wildlife enthusiasts: ready to move beyond observation into evidence-based ecological understanding.

  • Geography or earth science graduates: looking to pivot toward ecology and conservation work.

  • High school science teachers: aiming to deepen subject knowledge beyond standard curriculum coverage.

  • Public health professionals: wanting to understand environmental drivers of ecosystem and human health.

What our students say

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