Which of the following statements about sexual selection is not correct?
A. Phenotypic differences exist between the
sexes.
B. Most often females invest more resources
in the offspring than the male.
C. Selection pressure drives the female to be
more attractive.
D. Reproductive success in a female is
limited by the number of eggs or the number
of pregnancies she can carry.
E. Reproductive success in the male is
determined by the number of his mates.
C
You might also like to view...
In studying an E. coli strain containing a known frameshift mutation, you isolate a mutant in which this frameshift is suppressed. You therefore expect to find which of the following associated with the suppression? (Assume the frameshift has not been corrected in the coding for the peptide.)
A) suppressor tRNAs encode an amino acid for a stop signal B) suppressor tRNAs encode a four-nucleotide anticodon C) suppressor tRNAs encode a two-nucleotide anticodon D) both choices B and C E) all of the above
Which of the following types of organisms contain sphingomyelin in cell membranes?
A) prokaryotes B) algae C) animals D) yeast E) plants
Coastal zones of contact between freshwater from streams and rivers and saltwater from the ocean are called
A) estuaries. B) headwaters. C) deltas. D) coastal upwelling zones.
A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n) ________ cell
A) bacterial B) plant or bacterial C) plant, but not an animal D) animal, but not a plant E) plant or animal