good “phylogenetic” species is one that is A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms. C. Morphologically distinctive from other groups of organisms D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.

good “phylogenetic” species is one that is A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms. C. Morphologically distinctive from other groups of organisms D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.

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

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 4TYK: In a cladistic analysis, a systematist groups together organisms that share: derived homologous...

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A biological speciesa. always looks different from other species.b. always has a different chromosome number than other species.c. is reproductively isolated from other species.d. never occupies the same ecological niche as other species.
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In a cladistic analysis, a systematist groups together organisms that share: derived homologous traits. derived homoplastic traits. ancestral homologous traits. ancestral homoplastic traits. all of the above.
Which definition of "species" is considered the most accurate, as it based on the irreducible grouping of organisms within which there is a pattern of ancestry and descent?
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Think about the ways we define/identify a species. What would the least precise way to determine a living species (so not extinct)? O groups of organisms that look alike O groups of organisms that are geographically separated for a significant period of time such that they become distinct genetically separate populations with different genetic markers groups of potentially interbreeding populations with are reproductively isolated from others
Match the description with the correct term.A. the idea that inherent variation in a population allows for certain traits to be selected and carried on to future generations of the population experiencing an environmental pressureB.organisms that do not have a common ancestry but develop body parts that perform the same functionC. a model suggesting the gradual change of a species to form distinct speciesD. the idea that all living things on Earth share a common ancestorE. a common ancestor adapts and results in various speciesF. two populations become reproductively isolated (can no longer reproduce successfully)1.speciation 2. adaptive radiation 3. analogous structures 4.theory of evolution 5. gradualism 6. theory of natural selection
There are a lot of pros and cons to using the biological concept. It is only one out of several types of concepts used to define a species. What would be the main criterion used for determining / differentiating between species? gene flow niche differences geographical isolation morphological similarity
. Some scientists vigorously rejected Darwin’sideas when On the Origin of Species was published. Richard Owen (1860), perhaps the mostrespected biologist in England, wrote (amongmany other objections): “Are all the recognisedorganic forms of the present date, so differentiated, so complex, so superior to conceivableprimordial simplicity of form and structure,as to testify to the effects of Natural Selectioncontinuously operating through untold time?Unquestionably not. The most numerous livingbeings … are precisely those which offer suchsimplicity of form and structure, as best agrees…with that ideal prototype from which…vegetableand animal life might have diverged.” Howmight Darwin, or you, argue against Owen’slogic?
For each combination of species, indicate whether the group they form would be monophyletic or paraphyletic. D < < A, G, B C, J, A, B, G, I, E, H, F A, B, G, I, H, E A D, C, A, B, G, K, J, I K B J | LL F H E 1. Monophyletic (i.e., a clade) 2. Paraphyletic (i.e., not a clade)
Structures shared by species because of descent from a common ancestor is referred to as... Group of answer choices homology cladistics analogy homoplasy taxonomy