Under which species concept is the total number of recognized species likely to be largest?

Question

BlackTom AI · Accepted Answer

Consider the question: Under which species concept is the total number of recognized species likely to be largest?
Option 1: Biological species concept. This concept defines species based on reproductive isolation. While important, it tends to lump together populations that do not interbreed in nature but may be genetically distinct or diverging in other traits, leading to fewer recognized species in some groups.
Option 2: None of the above. This would be chosen if none of the concepts produced the largest number, but that contradicts the commonly understood pattern described by the different concepts.
Option 3: Phylogenetic species concept. This framework defines a species as the smallest diagnosable monophyletic group and tends to require only minimal differences to delineate lineages. Because it emphasizes monophyly and diagnosable splits, it typically results in recognizing more species than other concepts, since even small, well-supported divergences can count as separate species.
Option 4: Morphological species concept. This approach identifies species primarily by consistent morphological differences. While practical and widely used, it often groups polymorphic populations or cryptic lineages together if morphology is similar, which can yield fewer species than a phylogenetic approach.
In summary, the phylogenetic species concept tends to produce the greatest splitting of lineages into distinct species due to its emphasis on diagnosable evolutionary history, whereas the other concepts may merge or overlook subtle divergences depending on the data considered. The biological species concept, focusing on reproductive isolation, can miss cryptic or asexually diverging lineages, and morphological criteria may overlook cryptic diversity; each of these can lead to fewer recognized taxa compared to the phylogenetic framework.

Under which species concept is the total number of recognized species likely to be largest?单项选择题

类似问题

The most commonly used characteristics to identify species are traits, ability to , molecular features, ecological factors, and relationships.

Ring species pose a species classification problem for which of the following species concepts?

Why is the genetic species concept a better approach to the biological species concept when attempting to categorise extinct species?

Question at position 8 An excess of growth hormone (GH) before puberty can result in the development ofgigantism.Graves' disease.acromegaly.pituitary dwarfism.Clear my selection

Question at position 6 The most abundant supporting cells in the central nervous system are called Question Blank 1 of 1[input].

Question at position 5 In the eye, the lens functions tofocus light on the retina at the back of the eye.protect the surface of the eye.increase vision in low-light conditions.move the eye side to side.Clear my selection

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单