character: Keystone Species
topic: Role in Ecosystem Balance
subject: Science
LearnActions
SearchCreate
character: Predators
topic: Impact on Prey Populations
subject: Science
LearnActions
SearchCreate
character: Secondary Consumers
topic: Maintaining Trophic Levels
subject: Science
LearnActions
SearchCreate
character: Ecosystem Engineers
topic: Influence on Habitat Structure
subject: Science
LearnActions
SearchCreate