MOD Thursday (04/10) Day 1 Bio Bootcamp: Exit Ticket (Unit 7 Retest)

Cytochrome C is a protein that is found in the mitochondria of all aerobic eukaryotic cells. The gene sequence for cytochrome c has been mapped and analyzed for thousands of species. The table shows the percentage of the cytochrome c amino-acid sequence that different species have in common.

Which list is ordered from the species most closely related to the mouse to the species least closely related to the mouse?

During the early stages of development, dolphin embryos begin to develop hind limbs. By the time the dolphin fetuses are fully developed, the hind limbs have disappeared.

Which statement best explains the early development and then disappearance of hind limbs in dolphins?

Certain species of the coral-like sea organisms called bryozoans first appeared about 140 million years ago. They remained unchanged for the first 40 million years and then suddenly experienced rapid genetic change.

Which process would BEST account for the pattern of evolution in bryozoans?

Farmers spray pesticides on their plants to protect the plants from being eaten by insects. Some individual insects have a genetic mutation that makes them resistant (unaffected) to the toxins in the pesticides.

Which statement best describes how only a few resistant individuals resulted in the pesticide becoming ineffective?

Male guppies found in areas without predators are more colorful than the ones found in locations with large predator populations. A population of adult guppies originating from an area with a large number of predators is transferred to a nearby area with few predators.

Which of these is most likely to happen over a few generations?

The figure shows fossilized and living stalk-eyed flies from the family Diopsidae. In fossils, the eye spans of the flies are much smaller than those of living flies.

Which question would BEST help determine whether the change in eye span in stalk-eyed flies influenced by natural selection?

The bar graph shows the average break depth (distance from the top of the beak to the bottom) of a population of finches. The data were collected in 1976 and 1978, after a drought occurred in 1977 in the area.

Which factor BEST describes the change in this population of finches?

During the Industrial Revolution in England, burning coal increased the soot level in the air, and the soot darkened the tree bark. As a result, the population of dark-colored peppered moths significantly increased.

Which statement describes the MOST LIKELY reason why the population of dark-colored peppered moths increased?

The salamanders of the genus Ambystoma in northeastern North America are an entirely female population that reproduces asexually through the process of cloning. However, they have developed a way of inserting DNA from other species of salamanders into their own DNA.

How has DNA from other salamander species helped the Ambystoma salamanders survive environmental changes over the past 6 million years?

As a part of a wildlife conservation program, researchers take a small population of wolves and relocate them to an island. After several generations, researchers analyze the genomes of the wolves in the population and determine that there is little genetic variation in the population.

Which evolutionary mechanism BEST explains the low level of genetic variation of these wolves?

The Florida panther (Puma concolor coryi) population had declined to approximately 20 to 30 individuals as a result of habitat loss and hunting. Many of the panthers had genetic mutations due to inbreeding that affected their ability to reproduce and survive. Female Texas (Puma concolor stanleyana) pumas were introduced into Florida to mate with the endangered population of panthers. Hybrid panthers had more genetic variation and reproductive success than the Florida panthers.

Which table best represents the mechanism of evolution and the effect on the gene pool of the Florida population?