1. Which of the following species concepts would be the most likely to be useful

Question

1. Which of the following species concepts would be the most likely to be useful in describing fossil species?

2. Which of the following species concepts would have been used by Linnaeus in his work on taxonomy and classification during the 18th Century?

Morphological

3. Which of the major species concept relies on reproductive isolation to define separate species?

4. Which species concept is most concerned with reflecting true evolutionary history of a species?

5. Northwestern garter snakes are all considered to be one species, but they come in a large variety of colors. This example of ______________________ illustrates one of the drawbacks of the Morphological Species Concept.

6. In the Lineage Species Concept, what exactly is a "lineage"?

7. Which of the following would be outside the domain of the Biological Species Concept?

8. Various populations in Genus Bufo of toads interbreed with each other even though some of them have been named as separate species and other groups would be considered hybrids. In this situation of a set of populations that are undergoing the process of speciation, each population could be considered a __________________________, and collectively the populations would be known as a ________________________________.

9. In the example of Greya moths in the western United States, some populations of Greya piperalla are more closely related to populations of Greya mitellae than they are to other populations of their own species. If all the populations of G. piperella were considered a clade, and the population of G. mitellae was left out, then G. piperella as a clade would be __________________________.

10. Sometimes multiple species can be identified using molecular markers, but the species may look almost exactly the same. Using morphological traits to identify the species in this case may verge on the impossible. In cases where species look very much alike but do not interbreed, they are often referred to as ____________________________.

Explanation / Answer

1. Lineage species - Lineages of species are created from speciation of a common ancestor. Some of the lineages may be extant while the others may become extinct. By examining the similarities and differences among the different lineages that are related, fossil species can be described.

2. Biological

3. Biological

4. Lineage

5. Polymorphism

6. An ancestor-descendant series of populations

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