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Roseate Spoonbill. What is it?. A “wading” bird Lives in Florida Feeds on: Invertebrates Amphibians Fish. Feeding. http://vimeo.com/19732047. Population Biology. Population: Individuals of the same species in an area Birth Rate: The number of individuals that are born in a year
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What is it? • A “wading” bird • Lives in Florida • Feeds on: • Invertebrates • Amphibians • Fish
Feeding • http://vimeo.com/19732047
Population Biology • Population: • Individuals of the same species in an area • Birth Rate: • The number of individuals that are born in a year • Death Rate: • The number of individuals that die in a year
Spoonbill Scientist Florida Everglades • 5 Spoonbills • Birth Rate = 2 • Death Rate = 1 • How many birds in 5 yrs? • Hypothesis?
y-axis x-axis
y-axis Data point x-axis
Year 1 • 10 Spoonbills
Population Growth of Spoonbills • You are a scientist in the Florida Everglades • Number of birds = 5 spoonbills • Birth Rate= 2 • Death Rate = 1 • How many birds after 5 years?
Year 2 • 20 Spoonbills
Population Growth of Spoonbills • You are a scientist in the Florida Everglades • Number of birds = 5 spoonbills • Birth Rate= 2 • Death Rate = 1 • How many birds after 5 years?
Year 3 • 40 Spoonbills
Year 4 • 80 Spoonbills
Population Growth of Spoonbills • You are a scientist in the Florida Everglades • Number of birds = 5 spoonbills • Birth Rate= 2 • Death Rate = 1 • How many birds after 5 years?
Year 5 • 160 Spoonbills
Population Growth of Spoonbills • You are a scientist in the Florida Everglades • Number of birds = 5 spoonbills • Birth Rate= 2 • Death Rate = 1 • How many birds after 5 years?
EXPONENTIAL GROWTH Growth Curve
Year 6 • 320 Spoonbills
Year 7 • 640 Spoonbills
Year 20 • 5,242,880 Spoonbills
Question • What would prevent exponential growth?