Ecosystem Dynamics

1

Introduction to Ecosystems

›

2

Autotrophs, Heterotrophs and Saprotrophs

›

3

Food Chains and Food Webs

›

4

Trophic Levels and Energy Transfer

›

5

Ecological Pyramids, Numbers, Biomass and Energy

›

Q1

Checkpoint Quiz 1, IQ1: How do organisms obtain nutrients?

›

6

Abiotic Factors, The Physical and Chemical Environment

›

7

Population Growth

›

8

Interspecific and Intraspecific Competition

›

9

Symbiotic Relationships

›

10

Ecological Sampling, Quadrats, Transects and Mark-Recapture

›

11

Comparing Ecosystems, Abiotic and Biotic Differences

›

12

Abiotic and Biotic Factors Synthesis, Predicting Distribution

›

Q2

Checkpoint Quiz 2, IQ2: How does the environment affect distribution and growth?

›

13

Predation and Herbivory, Population Structure and Ecosystem Effects

›

14

Keystone Species, Introduced Species and Ecological Disruption

›

15

Ecological Succession, Primary, Secondary and Climax Communities

›

16

Biodiversity, Measurement, Importance and Ecosystem Stability

›

17

Recent Extinction Events

›

18

Evidence from the Geological Record

›

Q3

Checkpoint Quiz 3, IQ3: What effect can one species have on the ecosystem?

›

19

Evolution Through Deep Time

›

20

Reasons for Past-Ecosystem Change

›

21

Human Impacts, Habitat Destruction, Fragmentation, Pollution and Introduced Species

›

22

Conservation, Strategies, Ethics and Australian Case Studies

›

23

Predicting & Restoring Future Ecosystems

›

MQ

Module Summary Quiz, Ecosystem Dynamics

›