The red deer population on the Isle of Rum off Scotland has been extensively studied over several decades
One of the findings was that the variance for breeding success in males was 51.3, whereas variance for breeding success in females was 8.8. How do you explain this stark difference in variance?
a. Average male breeding success must have been higher than average female breeding success.
b. Red deer have a polygynous harem mating system.
c. Female access to nutrient resources is more reliable.
d. Males show a greater variance in fertility than females.
B
You might also like to view...
In general, what is the effect of high levels of ATP on metabolic pathways?
a. Metabolic pathways increase reaction rates when more ATP is available. b. High levels of ATP trigger cells to begin the process of meiotic replication. c. High levels of ATP cause metabolic pathways to slow down temporarily. d. High levels of ATP trigger increased levels of ADP dephosphorylation.
In pedigree charts, autosomal dominant disorders are expressed in heterozygotes. Therefore, the disorders are typically
A. occur every third generation. B. appear in every generation. C. appear only in males. D. appear only in females. E. seem to disappear in one generation, only to reappear in the next generation.
Which of the following is unique to mitosis and not a part of meiosis?
A) Homologous chromosomes behave independently. B) Homologous chromosomes cross over. C) Chromatids are separated during anaphase. D) Homologous chromosomes pair, forming bivalents.
In aerobic respiration, nitrogen gas can be used as the final electron acceptor.
a. true b. false