When studying the processes of speciation, we learned about situations when two closely related species can possibly reproduce, but have different courtship practice associated with mating, this is an example of ___ a. Mechanical isolation b. Behavioral isolation c. Temporal isolation d. Habitat isolation

When studying the processes of speciation, we learned about situations when two closely related species can possibly reproduce, but have different courtship practice associated with mating, this is an example of ___ a. Mechanical isolation b. Behavioral isolation c. Temporal isolation d. Habitat isolation

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter22: Speciation

Section: Chapter Questions

Problem 5TYK: In the model of allopatric speciation, the geographical separation of two populations: a. is...

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An animal breeder, attempting to cross a llama with an alpaca for finer wool, found that the hybrid offspring rarely lived more than a few weeks. This outcome probably resulted from: a. genetic drift. b. prezygotic reproductive isolation. c. postzygotic reproductive isolation. d. sympatric speciation. e. polyploidy.
Two species of fish had recently undergone sympatric speciation. The males of each species had a different coloring through which the females could identify and choose a partner from her own species. After some time, pollution made the lake so cloudy that it was hard for females to distinguish colors. What might take place in this situation?
20. How can geography lead to reproductive isolation a. Some populations may have a milder habitat than other populations. b. Subspecies may choose to occupy different areas for competitive reasons. C. Extremes of temperatures may reduce the breeding opportunities for some. d. A physical barrier may arise and separate a population, preventing interbreeding .
11. A small group of finches from the mainland United States get blown off course during a hurricane and are focused to settle on an island off the coast of Georgia. Most of these birds have a recessive trait for yellow spots on their wings which is not a common trait among this speciet. Over several generations the entire population of these finches on the island have this expressive trait. This is an example of ____. A. cacogenesis B. anagenesis C. reproductive isolation D. the founder effect
8) What data would suggest that a species evolutionary history includes sexual selection as a mechanism that helped shape the species? A) If males and females are significantly different from each other (sexual dimporphism) B) If some males reproduce with multiple females while other males do not reproduce C) If males engage in "risky" behavior D) If males and females form different social groups (i.e. herds are formed from either males or females but not both)
5. The criterion that is used to distinguish the relationship between two species A. Geography B. Physical traits C. Reproduction D. Time
1) In allopatric speciation, geographic separation of two populations a.reduces the relative fitness of hybrid offspring. b.is sufficient for speciation to occur. c.allows gene flow between them. d.inhibits gene flow between them.
2) In a particular island, the environment is semi-arid. There is a lizard population with a lot of variation for color. Normally, the light sandy color and golden colored lizard flourished because they escaped predation, while others were barely surviving. However, in recent years, a lot of rain has brought about a lot of vegetation. Which variation of lizard will now flourish in the area? * A) white B) Brown C) Green D) Red
6. It according to evolutionists, which is the best test to show the relatedness of two organisms? * a. Similarity in development b. Similarity in courting behavior c. Similarity in structure d. Similarity in Genomic DNA
6) If a sudden frost kills many small birds in a population, but only a few medium- and large-sized ones, which type of selection is likely operating? a.Intersexual b.Directional c.Disruptive d.Stabilizing
1. What are the reasons why Philippine tarsiers cannot be found in Cebu despite it being near to Bohol, instead it found in Samar, Leyte, and Mindanano? Discuss the reason and explain it. Do not just copy it from somewhere, please.
Which situation would most likely lead to allopatric speciation? Flood causes the formation of a new lake A storm causes several large trees to fall down A mutation causes a new trait to develop An injury causes an organism to seek out a new food source.