We have documented many examples of this type of speciation occurring. Darwin’s finches are the most famous example. View the model shown. Discuss what kind of geographic barriers would have led to the finch speciation in the
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Q: sympatric speciation
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- The reproductive isolating mechanism in which two closely related species live in the same geographic area but reproduce at different times is (a) temporal isolation (b) behavioral isolation (c) mechanical isolation (d) gametic isolation (e) hybrid inviabilityThe first step leading to allopatric speciation is (a) hybrid inviability (b) hybrid breakdown (c) adaptive radiation (d) geographic isolation (e) paedomorphosisWhich of the following forms of reproductive isolation illustrates a prezygotic barrier to gene flow? O Species A forms hybrids with species B and the hybrids are able to breed back with either of the two parent species to produce healthy fertile offspring. O Two closely related birds, the lazuli bunting and indigo bunting, sing similar songs to attract mates and even though human ears can not distinguish them the females never make wrong choices in choosing who to mate with. O Two species of turtles living in a large lake have different ecological requirements and never interact. O Several species of corrals in a Honduras corral reef release gametes about the same time but inter- specific attraction of gametes does not occur. O All but one of these illustrates a type of prezygotic barrier to gene flow.
- A group of migratory birds returns to the same small area of the forest and begins mating earlier and earlier in the spring compared to other individuals living in the same country. Over time, this may result in Multiple Choice sympatric speciation polyploidy hybridization allopatric speciationEach of the examples describes either a speciation event or potential speciation event. Place each scenario under allopatric, parapatric, or sympatric speciation. Allopatric speciation Parapatric speciation Sympatric speciationThis type of species isolation is being used during allopatric speciation. Group of answer choices: A- behavioral B- habitat C- gametic D- mechanical Please give me the answer along with the reason. I'll definitely give a like.
- Scientists observe two distinct group of anole lizards living in the same forest. Genetic analysis revealed that the two groups are very closely related and occasionally produce fertile hybrids. The two groups are nonetheless considered different species. One species is large and occupies the trunk of trees, rand mainly feeds on beetles. The other species is small, occupies the canopy and mainly feeds on flies. What mechanism most likely contributed to speciation in this case? Mechanical isolation OAllopatric isolation Gametic isolation Hybrid unviability Habitat isolation Previous Page Next Page Page 20 of 8 5 4 XVertical 11 1. Involves the formation of new species from pre-existing species. 8 3. Group of organisms that are capable of producing viable and fertile offspring 5. A mechanism that keeps species from mating with other. 7. it means "beside" 13 9. offspring of parents that differ in genetically determined traits. 12 11. Incapable of producing offspring 13. In temporal or seasonal isolation the reproduction is prevented by 10 15 14 Horlzontal 2. The role or the organism in the environment 4. It means "Place" 6. _itself is not only the mechanism of change overtime but it reduce the gene flow 8. Prevents the Fertilization of the eggs 10. An isolation wherein there's a differences in reproductive organs prevent successful Interbreeding. 12. It means "near" 14. Prevents the formation of fertile offspring 15. Formation of new species from the hybridization of 2 different speciesIn sympatric speciation (fill in the blank) can result in (fill in the blank) and lead to formation of new species from a population that (fill in the blank) fill in the blank with the following: is geographically isolated, gene flow, reproduction isolation, is in the same environment, genetic drift, or ecological isolation
- Imagine there are two populations of the same species of squirrel. One population lives on one side of a large river, while the other lives on the opposite side. Over the course of a few million years, the river carves an impassible canyon between the two populations. Eventually, they become two new species. This is an 'example of: Hardy Weinberg Equilibrium O Sympatric Speciation O Allopatric Speciation Gene FlowWhat are characteristics of sympatric speciation? Select all that apply. Reproductive isolation necessary to end gene flow Divergence within a population leads to speciation Absence of a physical barrier Presence of a physical barrier Reproductive isolation unnecessary to end gene flowThe phyletic gradualism model of speciation asserts that; Most speciation occurs allopatrically Speciation is a slow and gradual process that occurs as species slowly become geographically separated speciation occurs in quickly and then is followed by periods with little if any change Most speciation occurs sympatrially