Sunlight energy drives moisture-laden air aloft at _________ north and south latitude, bringing rains to temperate zone forests.
A. 21 degrees
B. 40 degrees
C. 60 degrees
D. 75 degrees
E. 90 degrees
Answer: C
You might also like to view...
Inbred lines of animals, such as laboratory mice, are useful for studying complex traits because:
A. individuals are genetically identical, so differences in traits must be due to environmental differences. B. although individuals differ both genetically and environmentally, the genetic differences are known, so differences in traits can be understood. C. animals are kept in identical environments, so any differences in traits are due to differences in their genes. D. both genetic and environmental differences between individuals are known, making differences in their traits easy to understand. E. None of these choices is correct.
Basic dyes such as methylene blue bind to cellular molecules that are
A. aromatic. B. hydrophobic. C. negatively charged. D. positively charged.
_____ tends to keep populations of a species similar to one another
a. Genetic drift b. Gene flow c. Mutation d. Natural selection
The site of crossing over is called a _______
Fill in the blank(s) with the appropriate word(s).