All of the following statements about invasive species is true except
a. Approximately 40% of species listed as endangered in the United States are on the list because of threats from invasive species.
b. Most successful invader species are specialists.
c. Both the European wild boar and the Burmese python are problematic invasive species in the state of Florida.
d. Some invasive species have arrived in the ballast water in ships from distant ports.
e. The African honeybee (killer bee) was deliberately introduced.
B
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The half-life of the carbon 14 isotope is 5730 years. If there were 4 billion atoms of C-14 in a particular organism at the time it died, how many atoms of C-14 would there be in the remains of that organism 11,460 years after it died?
A. 4 billion B. 2 billion C. 1 billion D. 8 billion E. 3 billion
How are faults, hypocenters, and epicenters related?
What will be an ideal response?
Based on paleogeographic records, _____________.
a) the continents came together as Pangaea before North America was located at the equator b) India separated from Antarctica before the continents came together as Pangaea c) the North Atlantic opened before North America was located at the equator d) India separated from Antarctica before North America was located at the equator e) the North Atlantic opened before India separated from Antarctica
Liquid water changes temperature rapidly because it can store a large amount of heat
Indicate whether the statement is true or false