A small flock of birds becomes stranded on an isolated island during a hurricane. The birds successfully breed and spread across the island
Several decades later, a hurricane hits the island and randomly kills off most of the birds, including the only birds in the population that had black tails. Which one of the following processes is best illustrated in this example?
A) Genetic drift B) Speciation C) Natural selection D) Gene flow
A
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This is the value of the output of goods and services produced in a country in a year, including money that leaves and enters the country
A) Gross Domestic Product B) Purchasing Power Parity C) Gross National Income D) Human Development Index E) Gross Empowerment Product
Xerophytic vegetation is most likely to be found in which of the following climatic regions?
a. tropical rainforest b. tropical savanna c. steppe d. desert e. tropical monsoon
What was Cooks mission for the 2nd Voyage?
What will be an ideal response?
Aftershocks are
A. unlikely to cause damage. B. predictable from the primary earthquake's characteristics. C. of short duration and occur within a period of a few hours after the major earthquake. D. large to small earthquakes that come after the main shock of a large earthquake.