Interactions in the Environment (Grade 11 NSC Matric Life Sciences): Flashcards
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3 main ecological interaction types
3 main ecological interaction types
Predation, competition, symbiotic relationships
Type of organism a predator always is
Type of organism a predator always is
Heterotrophic
Population that increases first in predator-prey cycle
Population that increases first in predator-prey cycle
Prey population
Competition within same species
Competition within same species
Intraspecific competition
Competition between different species
Competition between different species
Interspecific competition
Competitive exclusion principle
Competitive exclusion principle
2 species can't occupy same niche indefinitely
Species avoid competition by specialising in resources
Species avoid competition by specialising in resources
Resource partitioning
Symbiosis where both species benefit
Symbiosis where both species benefit
Mutualism
Symbiosis: one benefits, other unaffected
Symbiosis: one benefits, other unaffected
Commensalism
Symbiosis: one benefits, other harmed
Symbiosis: one benefits, other harmed
Parasitism