The phylogentic tree is most consistent with which of the following hypotheses:
a. The same types of anole lizards evolved independently on each of the islands
b. Each lizard type evolved once on one of the islands and then migraded to the other islands where it evolved into different species
c. "Each lizard type evolved on the mainland and was brought to each of the islands, where it evolved into different species"
d. All species of lizards appeared at exactly the same time on
Answer: a. The same types of anole lizards evolved independently on each of the islands
You might also like to view...
Which of the following is a protein produced by a regulatory gene?
A) operon B) inducer C) promoter D) repressor E) corepressor
Which of the following is not one of the ways we can study grass evolutionary history?
A. Study the fossil record because grasses fossilize very well. B. Study the high-crowned teeth that help mammals browse on grass. C. Study the organic compounds incorporated into the phytoliths in the grass cells. D. Study special compounds formed as a result of C4 photosynthesis.
Which of the following was NOT a likely consequence of the Chicxulub meteorite impact 65.5 million years ago?
A) eruption of massive volcanoes in India, forming deposits known as the Deccan Traps B) intense acid rain from sulfuric acid forming in the atmosphere C) global cooling caused by sulfur dioxide and airborne dust blocking solar radiation D) a massive tsunami in the Gulf of Mexico E) earthquakes of huge magnitude
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is inherited as an X-linked recessive gene in humans. A woman whose father suffered from G6PD marries a normal man. What percentage of their sons is expected to be G6PD?
A) 50% B) 25% C) 100% D) 0% E) 75%