1. The extravagant tail feathers of male peacocks are thought tobe an example of which of the following? Select ALL correctanswers.
A. positive assortative mating
B. intersexual selection
C. intrasexual selection
D. negative assortative mating
E. runaway selection
2. Phenotypic dimorphism in which some large male beetles havelarge horns and other males are small and lack horns is thought tobe an example of which of the following? Select ALL correctanswers.
A. positive assortative mating
B. intersexual selection
C. intrasexual selection
D. negative assortative mating
E. runaway selection
I have an idea of what the answer is but I don't want to missone. Thank you.
1. The extravagant tail feathers of male peacocks are thought tobe an example of which of the following? Select ALL correctanswers.
| A. | positive assortative mating | |
| B. | intersexual selection | |
| C. | intrasexual selection | |
| D. | negative assortative mating | |
| E. | runaway selection |
2. Phenotypic dimorphism in which some large male beetles havelarge horns and other males are small and lack horns is thought tobe an example of which of the following? Select ALL correctanswers.
| A. | positive assortative mating | |
| B. | intersexual selection | |
| C. | intrasexual selection | |
| D. | negative assortative mating | |
| E. | runaway selection |
I have an idea of what the answer is but I don't want to missone. Thank you.
Related textbook solutions
Related questions
Random, chance events that change allele frequencies are knownas:
| A. Gene flow |
| B. Genetic drift |
| C. Natural selection |
| D. Balancing selection |
Flag this Question
Question 21 pts
What type of selection acts to maintain the two extremephenotypic variants in a population?
| A. Disruptive selection |
| B. Directional selection |
| C. Positive selection |
| D. Artificial selection |
Flag this Question
Question 31 pts
Approximately, how much of our DNA is shared with our closestrelatives, chimpanzees?
| A. 100% |
| B. 98.9% |
| C. 88.3% |
| D. 75.8% |
Flag this Question
Question 41 pts
The large canines of male baboons are likely the result of________, while the fact that some male baboons are very colorfulis probably the result of _______.
| A. Mutation; balancing selection |
| B. Gene flow; sexual dimorphism |
| C. Male competition; female choice |
| D. Mate choice; genetic drift |
Flag this Question
Question 51 pts
Negative assortative mating results in an increased frequency ofhomozygous genotypes within a population.
| True |
| False |
Flag this Question
Question 61 pts
Genetic evidence suggests that humans and Neandertals neverinterbred.
| True |
| False |
Flag this Question
Question 71 pts
The specific variant of the FOXP2 gene associated with languageacquisition in humans is found in both humans and Neandertals.
| True |
| False |
Flag this Question
Question 81 pts
Industrial melanism describes the change in moth color from paleto dark after pollution from factories resulted in coating treetrunks with a layer of dark soot. Which statement is trueconcerning industrial melanism?
| A. After pollution levels increased, all moths became darkercolored because soot got on their wings |
| B. The dark moths survived better after pollution levelsincreased because they were not poisoned by the pollutants |
| C. Individual moths changed their color in response to thepollution |
| D. Dark moths were present in the population before pollutionlevels increased |
Flag this Question
Question 91 pts
Patterns of evolution can be seen above the species level
| True |
| False |
Flag this Question
Question 101 pts
Inbreeding is problematic because it increases the probabilitythat offspring inherit two copies of a recessive mutation thatcauses disease.
| True |
| False |
Flag this Question
Question 111 pts
As a species, cheetahs seem to have a high risk of extinctionbecause:
| A. Gene flow has caused a proliferation of unnecessarygenes. |
| B. The species' genetic diversity is very low due to a previouspopulation bottleneck event. |
| C. The species has undergone extreme sexual selection in orderfor males to achieve faster running speeds. |
| D. Gene flow has been stifled due to an increase in demand forcaptive cheetahs. |
Flag this Question
Question 121 pts
A strand of DNA undergoes mutation. Which mutation occurred?
Original DNA- GGA CTC TTA CCC CAC GGA
Mutated DNA- GGG CTC TTA CCC CAC GGA
| A. point mutation |
| B. insertion mutation |
| C. deletion mutation |
| D. inversion mutation |
Flag this Question
Question 131 pts
A change from one nucleotide to another nucleotide is known as awhat?
| A. Point mutation |
| B. Insertion mutation |
| C. Deletion mutation |
| D. Inversion mutation |
Flag this Question
Question 141 pts
A change from one nucleotide to another nucleotide is known as awhat?
| A. point mutation |
| B. insertion mutation |
| C. deletion mutation |
| D. inversion mutation |
Flag this Question
Question 151 pts
According to the Typological Species Concept, species are:
| A. An interbreeding group of organisms |
| B. Static entities endowed with fixed properties |
| C. A local population of organisms that have similargenes, interbreed, and produce offspring |
| D. An exclusive community of gene exchange |
Flag this Question
Question 161 pts
Recognizing reproductive isolation is key to defining speciesunder the Biological Species Concept.
| True |
| False |
Flag this Question
Question 171 pts
The binomial system of classification was developed by:
| A. Darwin |
| B. Wallace |
| C. Linnaeus |
| D. Malthus |
| E. None of the above |
Flag this Question
Question 181 pts
A derived trait, unique to a particular taxon within a givencladogram is called:
| A. Synapomorphy |
| B. Apomorphy |
| C. Analogy |
| D. Autapomorphy |
| E. Symplesiomorphy |
Flag this Question
Question 191 pts
Analogy, and not homology, is useful for reconstructingevolutionary history.
| True |
| False |
Flag this Question
Question 201 pts
A phylogeny is which of the following:
| A. A depiction of an organism's complete genome |
| B. A depiction of evolutionary relationships betweenorganisms |
| C. The gradual evolution of one species intoanother |
| D. The Latin name of an organism including its genus andspecies designation |
