Interdependencies Between Species (VCE SSCE Biology): Flashcards
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Ecology definition
Ecology definition
Study of how organisms interact with each other and environment
5 levels of biological organisation (smallest to largest)
5 levels of biological organisation (smallest to largest)
Cell, organism, population, community, ecosystem
Carrying capacity
Carrying capacity
Maximum population size an environment can sustain indefinitely
r-selection strategy traits
r-selection strategy traits
Many offspring, little care, quick maturity
K-selection strategy traits
K-selection strategy traits
Few offspring, significant care, slow maturity
Three population distribution patterns
Three population distribution patterns
Uniform (evenly spaced), random (scattered), clumped (grouped)
Mutualism (+/+)
Mutualism (+/+)
Both organisms benefit from the interaction
Predation (+/-)
Predation (+/-)
Predator benefits by eating prey; prey is harmed
Competition (-/-)
Competition (-/-)
Both organisms harmed, rival for same resources
Keystone species
Keystone species
Species with disproportionate ecosystem effect vs. population size