If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 million in the year
a. 2005.
b. 2030.
c. 2055.
d. 2080.
e. 2105.
Question 2
Suppose that we allowed each person 1000 m3 of living space in a large building, with ceiling height 3 m.
To the nearest order of magnitude, how many 1000 m high
buildings would have to be built to house the entire population of 8.5 x 1014 people on the
energy-limited Earth if each building's base were 100 km on a side?
a. 101
b. 102
c. 105
d. 108
e. 1013
Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d
Estimating cicada population size and predation rates by birds.
Continuous variation in a natural population
Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old.
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Preschool: 3–6 years.