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APES Unit 3

Vocabulary

TermDefinition
Generalist Species species with a broad niche, adaptive to various environmental conditions, broad diet, and typically reproduce in mass amounts
Specialist Species species with a narrow niche, not adaptive, limited diet, low range of tolerance, and typically reproduce slowly
K-Selected Species large species, have few offspring at once, live in a stable environment, care for offspring, and have a long life expectancy
R-Selected Species small species, have many offspring at once, mature, opportunists, and reproduce early in life, and a short life span,
Opportunists reproduce whenever the conditions are favorable
Suvivorship Curves a line that displays the relative survival rates of a cohort in a population
Intrinsic Rate the rate at which a population would grow if it had unlimited resources
St. Matthews Island an island that reindeer were introduced to and experienced rapid population growth (29 to 6,000) in just two decades, followed by a steep die off
Kelp Forests huge underwater "forests" composed of seaweed
PZP an immunocontraceptive vaccine, birth control shot given to deer to control population growth
Urban Sprawl the uncontrollable expansion of urban area
Replacement Level the fertility rate that creates a STABLE population
Population Momentum occurs when a country's fertility rate declines to or below replacement level, but still continues to grow for some time
Cultural Carrying Capacity the total # who could live with reasonable freedom and comfort indefinitely without decreasing the earth's ability to sustain future generations
Crude Birth Rate the # of live births per every 1,000 birth per year
Crude Death Rate the # of deaths per every 1,000 birth per year
Trade Winds winds from the northeast and southeast, warm water moves back which prevents upwelling in the Pacific Ocean, South America in particular
Upwelling bits of nutrient material that floats to the surface for sunlight which allows them to grow, often causes fisheries to temporarily collapse
Created by: MadisonFoleyReis
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