Ecology Chapter 6 - Density-dependent-Limiting factors that...

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Ecology Chapter 6 notes: open-sea zone (pelagic) - Far out ocean, deep, huge amounts of phytoplankton. benthic realm - Ocean floor, little life, bottom dwellers, some fish. Estuary - Boundary of salt and fresh water, marshes, coast, fish nesting ground. biotic potential - Maximum growth rate of a population under ideal conditions. biotic potential factors - Age at reproductive maturity, clutch size, frequency of reproduction, reproductive lifetime, and survivorship. carrying capacity - The number of individuals that can be sustained by a habitat. limiting factors - Factors that prevent a population from obtaining its biotic potential.
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Unformatted text preview: Density-dependent -Limiting factors that influence population because of size; for example, food, space, disease. Density-independent - Limiting factors that influence population independent of the density; for example, natural disasters and climate. exponential growth - Ideal, unregulated, unlimited growth. Makes a J-shaped curve on graph (e.g. bacteria). logistic growth - Limiting factors restrict the population size to its carrying capacity in this type of growth, which causes an S-shaped curve. r-selected species - Rapid growth, quickly reproduce, then die (many offspring, small, no parent care)....
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