If all the blue dots represent FST values between one species in the Americas and one species in Oceania, does this pattern of genetic similarity on the graph suggest that Native Americans and the people of Oceania followed very different migration routes? Why or why not?

Q: Explain the following in a detailed manner.  1. Ellis-van Creveld syndrome is a disease caused by…

A: Migration can be defined with respect to certain individuals or to certain populations. The former…

Q: How does the fact that all ethnic groups except Africans contain some Neanderthal DNA (1–4 percent…

A: Modern humans (Homo sapiens) were evolved in Africa around 2,00,000 years ago during the…

Q: According to sympatric, allopatric and parapatric speciation, which is considered the (far) more…

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

Q: How does one species diverge from another? (When do we call a group a new species—and how does that…

A: Microevolution is evolution on a small scale within a single population. The process by which a new…

Q: What is genetic drift, gene flow and a population bottle neck

A: The study of genetic variation in a population is known as the population genetics. It involves…

Q: Two species of toads are reproductively isolated due to the fact that one species mates in early…

A: Speciation is an evolutionary process in which a lineage is split to create separate species. The…

Q: • First, drag the labels of Group 1 to identity the common ancestors at the branch points. Next,…

A: A phylogenetic tree is a graphic that depicts the relationships between organisms' biological…

Q: What name is used to describe a species that exhibits the ancestral state for every trait observed?…

A: Species is a group of individuals that can mate together.

Q: If a species of ground finch with variation in beak size suddenly had to all compete for large hard…

A: Natural selection is the basis of evolution that was proposed by Charles Darwin. The process of…

Q: Caribbean populations. Researchers have examined species of snapping shrimp on both sides of the…

A: Speciation is the formation of the species during evolutionary period. It may be either allopatric…

Q: Which areas or countries in South America have sparse populations? Why?

A: South America is one of the seven continents present on our planet.

Q: Do you believe that because insect beak length has changed in opposite directions in the Florida and…

A: Natural selection leads to evolution. It is a result of change in phenotypic characteristics of…

Q: Many of the oak tree species in central and eastern NorthAmerica hybridize (interbreed). Are they…

A: True species  are those species who are interbreeding species, and produces viable offspring . These…

Q: Would two small, geographically isolated populations in very different environments be likely to…

A: The basis of the evolution of organisms is natural selection. Apart from natural selection, several…

Q: Which of the following evolutionary forces would be expected to increase genetic divergence between…

A: Divergence is an evolutionary process wherein a population of an inbreeding species diverges into…

Q: Has the Pingelapese population evolved? Explain. (Hint: Does inbreeding cause a change in allele…

A: Pingelapese population is not in Hardy-Weinberg equilibrium. This is because Hardy-Weinberg…

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: A population that is in Hardy-Weinberg equilibrium does not experience any migration. How does this…

A: Answer: HARDY WEINBERG EQUILIBRIUM= It is the principle stating that the genetic variation in a…

Q: How does Darwin’s Finches support the argument that genetic variation increases the survival rate of…

A: Darwin's Finches  refers to the group of small birds that used to live on the Galapagos island where…

Q: After reading the article'' Did our Species Evolve in Subdivided Populations across Africa, and Why…

A:

Q: How does continental-drift theory help to explain the disjunct distri-bution of marsupial mammals in…

A: The Continental Drift Theory was proposed by Alfred Wegener in the early part of the 20th century…

Q: Given the cladogram and the geographic information, is it likely that the Panamanian species arose…

A: Allopatric speciation is caused when a particular species is separated into two geographical…

Q: Do you think all of the 500 species in Lake Victoria arose through sympatric speciation? Why or why…

A: Three kinds of speciation depend on geographical domains. It is studied under the domain of…

Q: Considering the human dispersal pattern. given what you knw about the founder effect, would you…

A: Founder effect describes the loss of genetic variation that occurs when a new population is…

Q: According to the land bridge theory, why may people have crossed into North America from Siberia?

A: Landbridge theory, states that early animals and people traveled from Siberia to Alaska across a…

Q: In an evolutionary perspective, what would happen to the population of angry clip birds after 1000…

A: Variation is vital for species survival because it allows the organism to overcome adversity.…

Q: In which ways could polar bears and grizzly bears be considered the same species? Give at least 3

A: Bears are mammals of family ursidae. They are carnivorous , as they can feed on other animals. Polar…

Q: According to the most recent evidence, the first modern Homo sapiens evolved in Africa around…

A: Homo sapiens are the most recent species of human lineage.  They were evolved in sub Saharan Africa.…

Q: Present-day patterns of biodiversity and genetic diversity reflect past population genetics…

A: Given: Present day pattern of biodiversity and genetic diversity reflect past population gwnetics…

Q: Some females seem to prefer the blue color and some females seem to prefer yellow color. If this a…

A: Disruptive selection result in sympatric speciation :-

Q: Discuss how genetic drift, natural selection, and migration can contribute to such changes.

A: "Evolution" is responsible for species variety. The evolution of various species in an area causes a…

Q: If jaguar populations become isolated, would this be enough to classify them as subspecies?

A: Introduction: A population or set of populations is considered to be a species if they have the…

Q: Assume you are studying secondary contact in two species of birds. You notice that hybrids are…

A: A mixture Interbreeding between two animals or plants of different races, or genetically distinct…

Q: The four main forces of evolution are mutation, genetic drift, gene flow, and natural selection.…

A: Mutation : A mutation occurs when a DNA gene is damaged or changed in such a way as to alter the…

Q: What type of geographic barriers could have led to the speciation of finch in the Galápagos Islands?

A: Galapagos is a small cluster of islands present in Ecuador Province of the American subcontinent. It…

Q: Why does genetic diversity tend to persist in large populations, but gradually drift or shift in…

A: The genes are the hereditary unit of an organism which are passed on from the parental generation to…

Q: a.) If all the blue dots represent FST values between one species in the Americas and one species in…

A: The answer is given below. And please repost the other 2 questions.

Q: What are the most common mechanisms of sympatric speciation and in which major group of organisms…

A: Speciation is a term which describes the process in which new species forms from the existing…

Q: Explain What is genetic drift? What is a founder? Are these important in large populations or in…

A: In population genetics, evolution is defined as a change in the frequency of alleles (gene variants)…

Q: Species A experiences a mutation that produces a favorable allele to avoid predation by species B.…

A: Evolution is defined as a process in which gradual changes occur in species over long time. It leads…

Q: Did male H. sapiens hybridize with Neanderthal females that then back-crossed with modern humans?…

A: Homo sapiens is the most common and distributed primate species, distinguished by bipedality and big…

Q: How thus different mechanisms of evolution can produce change in populations and can contribute to…

A: Evolution is a process in which there is change in characteristics of a species over generations.…

Q: Try to outline a scenario explaining the evolution of the three species shown in panel g. Use…

A: Transition from A to B is  Genetic Drift. New characteristics apppeared not in response to survival…

Q: What do the multiregional and out-of-Africa hypotheses predict about the age of the common ancestor…

A: To determine: To determine what the multiregional and out-of-Africa hypotheses predict about the age…

Q: n what ways would you expect forced migration to have an impact on the phenotypes of animal…

A: Migration is that the movement of animals from one environment to a different in search of food,…

Q: A) Differentiate allopatric speciation and sympatric speciation. Which type of speciation is more…

A: Related species can become separate due to reproductive barriers. Physical separation of two species…

Q: What cause resulted in the evolution of species on the Galapagos Islands? Galapagos evolved via what…

A: Charles Darwin was a biologist who gave theory of Natural selection.

Q: Imagine that you are asked to manage a population of wolves that have taken upresidence on an island…

A: BASIC INFORMATION  GENETIC DRIFT It is the sudden change in the population This takes place in small…

Q: Which of the following is NOT a component of the Theory of Evolution by Natural Selection? Group of…

A: Theory of natural selection was given by Darwin. He mentioned the idea of natural selection in his…

Q: Which species from Figure 1 has the most amino acids that are different from those of humans? Which…

A: Aquatic animals, reptiles, mammals, and birds emerged after the fish. The first amphibians came from…

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.