Which of the following would result in allopatric speciation by dispersal? A. A river separating a previously contiguous population of salamanders B. A receding water table separating a population of frogs into two separate wetlands C. Finches colonizing an island exposed by water level changes in a reservoir D. A population of trees being split in two by an advancing glacier

Q: Assume you are studying two species of lizard that occur in sympatry. In allopatry, Lizard Species A…

A: Speciation is the evolutionary process by which populations evolve to become distinct species.…

Q: Which of the following factors would not contribute toallopatric speciation?(A) The separated…

A: Speciation is the evolutionary process by which populations evolve to become distinct species. There…

Q: Which assumption of cladistics is stated incorrectly?a. Living things are related by descent from a…

A: Cladistics-Cladistics are created for those organisms that shares a common ancestor formation of new…

Q: Consider the cladograms below   Which species is extinct in both cladograms? In which cladogram…

A: A cladogram is the graphical representation of the hypothetical relationship (phylogenetic…

Q: mountain range separates a population of gorillas. After many generations, the gorillas on different…

A: Evolution refers to the change in the species characteristics over several generations. Evolution…

Q: a. natural selection b. genetic drift C. gene flow d. random mating 7. is the effect of chance in a…

A:

Q: Is allopatric speciation more likely to occur on an island close to the mainland or on a more…

A: Allopatric speciation, otherwise called geographic speciation, will be speciation that happens when…

Q: Is allopatric speciation more likely to occur on an island close to a mainland or on a more isolated…

A: The phenomenon of evolution of a population to form distinct species is called speciation. A group…

Q: Nhich of these is an example of allopatric speciation? Two species of finches that have differing…

A: Allopatric Speciation happens when a species divides into two different species because of some…

Q: The formation of polyploids is common in plants and can abruptly produce a new species. This is an…

A: Speciation can be defined as the splitting of the population into two or many species, such that the…

Q: If reinforcement is weak and hybrids are not completely infertile, a. genetic divergence between…

A: Reinforcement is that the method by that survival of the fittest will increase reproductive…

Q: When two populations are reproductively isolated, what else must occur for speciation to happen? (a)…

A: The word reproductive isolation means, there is a change in one or two characteristics and that…

Q: Suppose the phylogenetic species concept (PSC) were preferred over other species concepts, such as…

A: Biological species concept defined as the species concept in which the group of species allowed to…

Q: A sudden increase in gene flow between two somewhat isolated populations would most likely   Group…

A: Introduction :- Population genetics is the study of changes in the genotypic and allelic frequencies…

Q: Which variable increases the likelihood of allopatric speciation taking place more quickly? a. lower…

A: Species are the group of the organisms that can interbreed to produce fertile and viable progeny.

Q: The pupfishes in the Death Valley region are an example of which evolutionary process? (a)…

A: Evolution occurs when genetic variations accumulate in the organisms.

Q: All of the following are examples of prezygotic isolation except? A.) Two closely related species…

A: The prezygotic and postzygotic isolation causes speciation of different species. This causes…

Q: Allopatric speciation refers to the formation of a new species: a. by stabilizing selection b. by…

A: Speciation: It is the process of splitting of a single species into two or more species. According…

Q: Birds have wings, as do butterflies and mosquitoes. However, they do not share a recent, common…

A: Introduction: Evolution is the change in the inherited characteristics of biological populations…

Q: Column A Column B a. A process in which new species form 1. Thomas Malthus b. Authored the Theory of…

A: Evolution is the process of a species' traits changing over many centuries by natural selection.…

Q: ecological definition of a species?

A: Correct option is  1  By definition species is the group of individuals that can breed and produce…

Q: Consider a population of toads living in a canyon here in San Diego.  Identify a physical barrier…

A: Allopatric speciation is a type of speciation in which the population having common ancestors,  gets…

Q: What pattern of speciation is illustrated by the development of the allopolyploid species?   A.…

A: Question - What pattern of speciation is illustrated by the development of the allopolyploid…

Q: Which of the following may be true of two species that are a result of allopatric speciation? Select…

A: Speciation is the process of formation of new species. When mutations accumulate in the organisms…

Q: In rock pocket mice of the American Southwest, different extreme traits in mice of the same species…

A: selection is a process in which certain natural traits are selected in an population that enhance…

Q: (a)choose one ecomorph and explain how the characteristics of that body type are adaptations to that…

A: Ecomorphs are populations of a species having small differences in its colour or form which…

Q: allopatric speciation might be completed to two biological species by natural selection for…

A: Several kinds of species have developed from a common species due to changes in environment factors…

Q: Increases in species diversity arise because of A)increases in the rate of speciation. B)decreases…

A: Answer :- Option (A) is correct. - increases in the rate of speciation.

Q: A pair of birds flies to a deserted island and establishes a colony. Over time, this population…

A: The process of forming diversification of species is referred to as speciation. This occurs when a…

Q: Which process in a hybrid zone increases the likelihood of speciation?   A. stability – when a…

A: Answer : B. reinforcement – when a hybrid zone widens and fewer hybrids are formed

Q: When studying the processes of speciation, we learned about situations when two closely related…

A: Reproductive isolation is an evolutionary mechanism that promotes speciation by preventing the…

Q: Which is a criticism of sympatric speciation?  A.) many cases of sympatric speciation are actually…

A: Sympatric speciation is the type of speciation where two organisms live in the same geographic…

Q: In the speciation model known as "punctuated equilibrium": a. Most new species of the "tree of life"…

A: All organisms on the earth are changing with time. It can be said that the organisms are evolving.…

Q: If two mouse populations do not interbreed but are found in the same area, they may form different…

A: Answer :- Option (D) is correct. - Adaptive radiation.

Q: The first step leading to allopatric speciation is (a) hybrid inviability(b) hybrid breakdown (c)…

A: Speciations are the process in which species evolve into something so drastically different than…

Q: There are several other species pairs like these meadowlarks in the Great Plains (orioles,…

A: Factors that lead to speciation include genetic drift, natural selection, geographical isolation,…

Q: While donkeys and horses have ignored each other historically in the wild, hybrids can be made…

A: ARTIFICIAL INSEMINATION:- It is the process of artificially injecting sperm into the female…

Q: After the mass extinction that occurred 65 million years ago, mammals rapidly diversified to occupy…

A: Speciation is the process of formation of one or more species from an existing species. It is said…

Q: The difference between sympatric and parapatric speciation is_______ . a. parapatric speciation…

A: Speciation is the evolutionary process by which new species emerge from old or existing species.…

Q: Why is mutation important to speciation? b. It keeps the environment from selecting for a particular…

A: Why is mutation important to speciation?  B. It keeps the environment from selecting for a…

Q: IN AN ILLUSTRATIVE MANNER, GIVE EXAMPLES OF ORGANISMS OR INSTANCES WHEREIN REPRODUCTIVE ISOLATING…

A: Scientists classify a species in most eukaryotes based on their reproductive compatibility.…

Q: A, B, and C are three different island species and all share a common ancestor. Their ranges are…

A: *Here three types of species namely A and B and C are the three species . *Given that A and B are…

Q: What are the various types of reproductive isolating mechanisms that can lead to speciation? b. What…

A: Reproductive isolation refers to the inability of an organism to breed with the individuals of the…

Q: Which of the following is a characteristic of species found on oceanic islands? Group of answer…

A: It is a multiple choice question.

Q: A, B, and C are three different island species and all share a common ancestor. Their ranges are…

A: Vicariance approach the geographical separation of a population, generally through a physical…

Q: A small number of birds arrive on an island from a neighboring larger island. This small population…

A: Adaptation  :--It plays very important role in the evolution . Adaptation is defined as the physical…

Q: Speciation:   A. is a process by which populations of one species diverge genetically and which…

A: Species is the unit of biological classification. Grouping of the organisms with similar genetic and…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.