Reference no: EM133302122

Questions

1. Two distinct populations of fruit flies were discovered living in separate patches of field that had been dissected by wide lava flow in the past. These fruit flies were found to be related by a common ancestor thought to have existed prior to the eruption of the volcano that was common throughout the intact field prior to the eruption. What term best explains the event that separated the original population of fruit flies? What term best explains the speciation that followed?

a) Dispersal; Sympatry

b) Mutation; Sympatry

c) Vicariance; Allopatry

d) Radiation; Sympatry

e) Hybridization; Allopatry

2. A population of mockingbirds living on an island experience a major drought which causes 90% of the population to die off. You are hired as an evolutionary biologist to help predict and explain the future trajectory of the remaining individuals. You suggest that the much smaller population is now at risk of _________ caused by _________.

a) Extinction; Invasive Species

b) Genetic Drift; the Founder Effect

c) Gene Flow; Inbreeding Depression

d) Mutation; Small Gene Pool

e) Genetic Drift; the Bottleneck Effect

3. Which of these characteristics most strongly predicts regional temperature patterns across the globe?

a) Longitude

b) Convection/Hadley Cells

c) Latitude

d) Biodiversity or # of Species

e) Proximity to Coastline

4. Which of the following terrestrial biomes is mostly made up of coniferous evergreen trees that can tolerate cold winters and short growing seasons, and is located in northern Europe, Russia and North America?

a) Tropical rainforest

b) Temperate forest

c) Arctic tundra

d) Cold forest