Biology Chapter 33 Study Guide Flashcards

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Cards In This Set

Front Back
Ecosystem
Living and nonliving components
Community
Community is all of the species in the population
Abiotic vs. biotic
  • biotic- living
  • abiotic- nonliving
Biotic potential
  • a population’s maximum growth rate under ideal conditions
    • exponential growth
Optimal population growth
  • all of the things that allow exponential growth
    • unlimited resources
    • habitat
Carrying capacity
  • the number of individuals of a species that a particular environment can support
  • what/how much does each species need to survive
3 survivorship curves
1- human, most live2- steady decline3- most die young
Opportunistic and Equilibrium growth patterns
O- small organismsE- large organisms
Density dependent factors
Biotic, higher the density, the more the factors impact the population
Density independent factors
Aboitic, impact an entire population the same way regardless of size
Ecological niche
  • ecological niche is the role an organism has in the ecosystem
    • what does it provide
Competitive Exclusion Principle
    • two species cannot occupy the same habitat and use the same species and both survive
Resource Partitioning Principle
    • two species can live in the same area and use the same resources if they use them differently or different parts
Baestian Mimicry
  • BM is a camouflage
    • organisms blends in with surroundings
Mullerian Mimicry
  • MM is a coloration
    • a non-harmful species has the same coloration as a poisonous species