The human population on Earth is expected to reach 9.7 billion people by
A) 2015.
B) 2050.
C) 2093.
D) 3150.
Answer: B
You might also like to view...
Trimming a shrub will make it become more bushy (have more lateral growth) primarily due to a reduction in the
amount of ____.
a. auxin b. ethylene c. abscisic acid d. gibberellin e. cytokinin
Answer the question using the accompanying figure. The worker bees represented by letters E and F, which receive
the same alleles from the queen, are related to each other by ____.
a. 50% b. 75% c. 0% d. 100% e. 25%
Tree rings represent growth during wet and dry periods of the year. In a deciduous tree found in the north, which two seasons would contribute to tree rings?
A. summer and fall B. winter and summer C. winter and spring D. spring and fall E. spring and summer
Monozygotic twin concordance values are less than 100% in both bipolar disorder and schizophrenia. This suggests
that these disorders ____. a. are strictly polygenic b. have environmental components c. are X-linked d. genetically dominant e. are not genetically based