Two sympatric species of wildflowers grow the same habitat but hybrids are extremely rare in nature despite the facts that viable hybrids can easily be produced in the lab. The rarity of hybrids is hypothesized to be the consequence of the difference in the blooming season because one species blooms in April while the other blooms in June. This hypothesis is referring to what type of reproductive isolation? Question 6 options: Mechanical isolation Behavioural isolation Temporal isolation Habitat isolation Gametic isolation

Two sympatric species of wildflowers grow the same habitat but hybrids are extremely rare in nature despite the facts that viable hybrids can easily be produced in the lab. The rarity of hybrids is hypothesized to be the consequence of the difference in the blooming season because one species blooms in April while the other blooms in June. This hypothesis is referring to what type of reproductive isolation? Question 6 options: Mechanical isolation Behavioural isolation Temporal isolation Habitat isolation Gametic isolation

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter20: Speciation And Macroevolution

Section: Chapter Questions

Problem 2TYU: The reproductive isolating mechanism in which two closely related species live in the same...

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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 inviability
Which of the following is not a post-zygotic isolating mechanism? Group of answer choices zygote mortality hybrid sterility temporal isolation F2 fitness
Two populations of the same species of frogs have been separated by a mountain range for thousands of years. The females from one population are no longer attracted to the mating calls of the males from the other population. This is an example of which type of reproductive isolation mechanism? Temporal isolation Behavioral isolation Mechanical isolation Hybrid viability
Two species of plants grow along a mountain slope. One species grows mainly at low altitudes, and the other grows mainly at higher altitudes. Occasionally, the two species hybridize producing hybrids that are better suited than the parental species to grow at intermediate altitudes. This scenario would lead to Question 7 options: reinforcement autopolyploidy a stable hybrid zone hybrid breakdown the fusion of the two species
Which of these outcomes are examples of reproductive isolation? Select all that apply. Individuals of different species are physically compatible and can engage in sex Hybrid individuals cannot produce offspring Hybrid individuals or their offspring have similar fitness to the original species Reproduction occurs at different times Mating occurs but fertilization does not occur
Males of one mouse species are too small to mate with females of another species. This is an example of what kind of reproductive barrier? Group of answer choices Hybrid Inviability Mechanical Isolation Behavioral Isolation Temporal Isolation Habitat Isolation
Which of the following types of reproductive isolation can occur in the same general location? Select all that apply. Group of answer choices behavioral isolation geographic isolation temporal isolation gametic isolation hybrid inviability
Two species of toads are reproductively isolated due to the fact that one species mates in early summer and one in late summer. What type of barrier is this?* Behavioral isolation Temporal isolation Mechanical isolation Gametic isolation
Which 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.
Hybrid breakdown refers to which situation? Group of answer choices Two species can hybridize but their offspring do not develop fully or are frail and will not survive to reproduce. Two species can hybridize but their offspring are sterile. None of the above Two species can hybridize and their offspring are ok and can have offspring, but the next generation are more likely to die or will be sterile. Two species can hybridize and fuse back into one species.
Two species of frogs belonging to the same genus occasionally mate. Fertilization occurs, but the offspring fail to develop and hatch. Which reproductive isolating mechanism is acting to keep the two frog species separate? Group of answer choices hybrid inviability prevention of gamete fusion mechanical isolation behavioral isolation temporal isolation
Give examples on the reproductive isolating mechanisms (geographical isolation, behavioral isolation, mechanical isolation, gametic isolation, temporal or seasonal isolation) Note: example in the activity is in the photo attached