Environmental variation can be used to describe why:
A. Identical twins have different weights.
B. Leaves on a single tree turn color at different times in the fall.
C. One tomato in a carton spoils before the rest.
D. A litter of puppies has siblings of varying sizes.
E. All of the above are correct.
Answer: E
You might also like to view...
In mammals, the strongest males hold large territories and therefore ____
a. control a lek b. exhibit sexual dimorphism c. share parenting duties d. are monogamous e. mate with all the females inside the area
Which of the following would make a human disorder-causing allele or gene easiest to locate?
A) a genomic library for the chromosome on which the gene is located B) a cDNA library for the chromosome on which the gene is located C) a group of 10 known candidate genes D) a transposon known to segregate with the gene E) a single patient with a chromosomal translocation associated with the gene
The Haldane effect describes the increase in the affinity of hemoglobin for CO2 in the presence of a lowered
A) pH. B) PCO2. C) concentration of bicarbonate (HCO3-). D) temperature. E) PO2.
Eyes with single lenses that respond to light and darkness are found in many arthropods; these are the
A. compound eyes. B. ommatidia. C. apposition eyes. D. ocelli. E. superposition segments.