Blog

(05.04 MC)Until recently, the Archaea were classified with Bacteria in the Kingdom Monera. They have now been separated into their own domains, yet they do share some similarities with Bacteria. In which of the following ways are the Archaea similar to Bacteria?

(05.01 LC)What of the following best explains the pace and timing of evolutionary change?

(05.01 MC)Which of the following best describes how comparative anatomy can be used to determine the evolutionary relationship between two organisms?

(04.04 MC)What will most likely happen if the level of greenhouse gases continues to rise?

(06.02 MC)While snorkeling in the ocean you find large, leafy organisms that are brownish in color growing in large masses. You are unsure whether they are protists since they look quite plant-like. If they are actually protists, what characteristic will the organism’s cells exhibit?

(05.03 MC)In what way did an increased skull and brain size affect hominid evolution from early ancestors to modern humans?

(04.04 MC)Which of the following environmental parameters would be important to monitor in order to ensure sustainable logging?

(05.02 LC)Allele frequencies in a gene pool may shift at random and by chance in which of the following instances?

(05.01 MC)Darwin noticed differences in the beak shapes of finches on the various islands of the Galapagos and surmised that they all might have evolved from a common ancestor on the mainland. If Darwin had known about molecular biology, a field of study that did not exist at the time he lived, how might he have used it to test his hypothesis?

(05.04 MC)When Carolus Linnaeus created his classification system in the 1700s, he sorted organisms based on their physical characteristics. In 1990, Carl Woese and his colleagues introduced a new classification system that sorted organisms into three different domains. Which of the following best explains why this change occurred?