A pied kingfisher in its first year of life helps in the feeding of three full siblings who would not have survived without the helper's efforts. What is its indirect fitness in its first year?
A) 0.25
B) 0.50
C) 0.75
D) 1.00
E) 1.50
Answer: E
You might also like to view...
Match the following items:
A) trinucleotide tandem repeats B) tandem repeats C) unique DNA D) interspersed repeats 1) satellite DNA 2) centromeres 3) useful in RFLP analysis 4) Alu family 5) telomeres 6) VNTR 7) Huntington's disease 8) microsatellite DNA 9) myotonic distrophy 10) transposable elements
All of the following are major points of the article Endangered Sea Turtles except:
a. Leatherback population in Pacific may go extinct before 2010. b. TED nets decreased turtle drowning rate. c. Records show declining numbers of turtles returning to nest on Central American beaches. d. All countries now use TEDs to fish for shrimp.
Many birds, such as seagulls which rarely drink fresh water, deal with the osmotic stress of taking in
large quantities of salt in their food mainly by
a. active transport of ions into the body through their feet. b. excreting nitrogenous wastes through their kidneys as urea. c. active transport of ions out of the body by chloride cells. d. excreting excess salt through the actions of specialized salt glands in their heads. e. maintaining high levels of urea and trimethylamine oxide in body fluids.
A cDNA library
A) is generated by copying genomic DNA with the polymerase chain reaction and cloning the resulting complementary DNA (cDNA). B) is generated by copying messenger RNA (mRNA) with the enzyme reverse transcriptase and cloning the resulting complementary DNA (cDNA). C) corresponds to the protein complement of a cell. D) doesn't contain introns. E) doesn't contain introns because it is generated by copying messenger RNA (mRNA) with the enzyme reverse transcriptase and cloning the resulting complementary DNA (cDNA).