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: Which is an example of directional selection after several generations on an island population from…

A: Introduction :- "Evolved" refers to the process of biological evolution, which is the gradual change…

Q: Which of the following models is supported by the observation that few transitional links are found…

A: Transitional Fossil:          Any fossilized remains of a life form that exhibits traits common to…

Q: Imagine that you wanted to know if speciation rate in plant groups is linked to whether the plants…

A: Answer- Correct option is (A) Pollination is transfer of pollengrains from the anther of one flower…

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: Gene flow occurs O a. when individuals within a population interbreed. b. as a result of genetic…

A: Gene flow occurs?

Q: Describe three methods of bacterial count and their advantages

A: A substance's total bacteria count (TBC) is a numerical estimate of the number of microorganisms…

Q: Give typed full explanation  Over millions of year, a desert develops along the edge of a densely…

A: Speciation is the process by which new species evolve from existing species. It is the evolutionary…

Q: Which of the following is an example of Genetic drift? A. Red flowers with AA genotype evolve after…

A: Evolution is a steady phenomenon that bring about alteration in life from simple to more complex.…

Q: Analysis of Rhagoletis fly populations in North Americaprovides evidence that if some members of an…

A: The evolutionary process by which some distinct species are formed by the population's evolution is…

Q: This form of geographic isolation led to what? O A. Speciation O B. Variation O C. Biochemical…

A: Variation is the deviation from the normal. It may occur due to mutational changes occuring within…

Q: Which of these is not a driver of sympatric speciation_ a. Reduction of gene flow in a population…

A:

Q: Create a scenario in which red pandas undergoes a speciation event by the mechanism natural…

A: The process of genetic divergence of gene pool of a population to form New species is called…

Q: Name the type of speciation that results when a species cannot mate due to a change in their use of…

A: Speciation It is defined as the evolutionary process through which populations evolve, resulting in…

Q: A physical barrier separates a single species, causing two separate populations to form. Over time…

A: Speciation can be defined as the slow evolution of a given population into different subtypes due to…

Q: Problems with the biological species concept include the fact that a. many species reproduce…

A: Problems with the biological species concept include the fact that

Q: Would each of the following examples of reproductive isolation be considered a prezygotic or…

A: Reproductive isolation is one of the mechanisms of speciation. Evolutionary mechanisms, behaviors,…

Q: The goldenrod gall fly mates and lays its eggs on the goldenrod plant and the larva live inside the…

A: Speciation is the process in which new species are formed due to either geographical isolation or…

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: Which statement about prezygotic barriers is false?

A: Prezygotic barrier  These are the barrier that prevents the fertilization of egg. These include…

Q: In a paraphyletic group a. all species are more closely related to each other than they are to a…

A: No polyphyly can occur within a paraphyletic group, because their similarity reflects…

Q: Two very similar cricket species in the Amazon basin occur on opposite sides of the Amazon river…

A: Introduction The evolutionary process by which populations evolve into different species is known as…

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: Define a. mutation b. natural selection c. founder effect d. bottleneck e. gene flow f. nonrandom…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Allopatric but not sympatric speciation requires O A. Reproductive isolation B. Geographic isolation…

A: The process of formation of new species is known as speciation. There are different types of…

Q: In the western United States, populations of an annual plant can be found almost continuously from…

A: Describing and identifying a species has been a tedious issue for a long time. To determine the…

Q: The formation of new species due to geographic barriers is called a. isolation speciation.b.…

A: The formation of new species due to geographic barriers is called d. sympatric speciation.

Q: Which of the following patterns of evolution is most supported by the fossil record?   a. Descent…

A: Evolution is the change in the characteristics of a species over several generations and it relies…

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: Place the following events in the order in which they are most likely to occur by numbering them…

A: When a subpopulation within a species splits from other individuals of its species and acquires its…

Q: Which of the following traits does not describe a r-selected species? O A. rapid development B. low…

A: r-selected species prefer high growth rates, usually exploit less-crowded ecological niches, and…

Q: A population of bats becomes isolated after colonizing an island, developing a high incidence of a…

A: The population is the group of individuals belonging to the same species and able to interbreed.…

Q: Which of the following alleles is most likely to increase in a population due to natural selection?…

A: Answer : Option B is correct . An allele that causes a helminth to produce eggs more quickly

Q: Black-footed ferrets are an endangered weasel found in the Great Plains. If fire swept through the…

A: A. Bottleneck Effect is correct answer.

Q: Which of the following is NOT true for the speciation of finches in the Galapagos islands? A.…

A: Analyzing Statements about the Speciation of Galapagos Finches:The statement that is NOT true about…

Q: Insectivora is a taxonomic grouping that was used to describe insect-eating mammals like armadillos,…

A:

Q: Which species concept is based on reproductive isolation? Group of answer choices A. biological B.…

A: Question - Which species concept is based on reproductive isolation? Group of answer choices A.…

Q: Adaptive Radiation

A: 28 - C  The Galápagos finches are a classic example of adaptive radiation. Their common ancestor…

Q: This tropical area that existed 37-29mya provided was home to many various species, including…

A: The Rukwa Rift Basin is an endorheic rift basin in southwestern Tanzania that includes Lake Rukwa.…

Q: a diagram that shows evolutionary connections between clades is called a_______ . a. karyotype c.…

A: Understanding the links and divergences between different species or groups over time is fundamental…

Q: Which type of natural selection is involved in sympatric speciation? Group of answer choices A.…

A: Sympatric speciation is the evolution of a new species from the surviving ancestral species. Both…

Q: Much research on extinction has focused on small populations, which are vulnerable for numerous…

A: Extinction Vortex is a term that is used to define the process which the declining population of an…

Q: What distributional shape do dispersal kernels tend to follow? a. Poisson O b. Gaussian (normal) Ос…

A: Dispersal kernel: Statistical distribution of dispersel distance  in a population  is termed as…

Q: What is the term describing the process that occurs when a species evolves into a new species with a…

A: Speciation is the mechanism of origin of new species.

Q: How are species defined by the biological species concept? A. Populations of different species are…

A: The change in the heritable characteristics of the species across many generations is called…

Q: While there are many criteria to describe the difference between two species, the biological…

A: There are many criteria to describe the difference between two species.

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.