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Food Chains and Food Web
- Obtaining Energy
MP4
MP3
3GP
SWF
- Food Chain
- Food Web
- Pyramid of Numbers
vv
- Passing Energy On
- Where Does the Energy Go?
- Variation Within the Species
- Inherited and Environmental Factors
- Inheritance
- Species Characteristics
- Selective Breeding
- Variations Between Species
Adaptation
- Fitting into the Habitat
- Adaptation in Animals
- Adaptation in Plants
Classification
- Classifying Living Things
- Characteristics of Vertebrates
- Characteristics of Invertebrates
Using Keys to Identify Living Things
- Types of Keys
- Using a Question Key
- Branching Diagrams
Competition among Living Things
- Consequences of Competition
- Woodlands
- Interdependence
- Changes in Population
- Other Factors
- Worked Test Questions Levels 3 to 4