Temporal Isolation — Definition & Examples
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- What's Temporal Isolation? Temporal isolation means that two parts of a population reproduce at different times. Temporal is a fancy way of saying time. If half of a population …
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis
- Temporal Isolation Isolating mechanisms prevent species from mating with one another. Sometimes similar populations that live in one area reproduce at different times of the yea…
By Gabi Slizewska, Deena Hauze, Valeri Natole, Mario Janakis
- What Is Temporal Isolation? Imagine that you are a squirrelologist. You are studying two populations of squirrels that live in your backyard. There are gray squirrels and brown …
By Sarah Morgan, Deena Hauze, Gabi Slizewska, Valeri Natole, Mario Janakis
- Introduction to Temporal Isolation Temporal isolation is a prezygotic barrier that leads to speciation, or the formation of new species. Other types of prezygotic barriers inclu…
By Alana Karras, Deena Hauze, Valeri Natole, Mario Janakis, Gabi Slizewska
- (Video) Speciation: Of Ligers and Men by CrashCourse Temporal isolation is when groups of organisms become separated because they mate at different times. In this video, Crash C…
By Mario Janakis, Gabi Slizewska
Problems 20
- Fill in the blank: Temporal isolation happens when woah‾\underline{\phantom{woah}}woah.
- Which of the following is true for temporal isolation?
- If one group of organisms reproduces at night and one reproduces during the day, what type of isolation will lead to their speciation?
- When one population consists of organisms that mate at different times for a long period of time, it eventually splits into two new species. What causes this type of speciation?
- Which of the following is an example of temporal isolation?
- Two species of a plant called spiderwort, are found in many of the same areas in North America. They look almost identical, but one (zigzag spiderwort) blooms in the mid to late…
- Temporal isolation is determined by which aspect of reproduction?
- If some members of a population reproduce in the morning while others reproduce at night, what might happen?
- In a certain forest, there are two very similar species of butterflies. The only major distinction between the two species is the fact that one reaches sexual maturity in the ea…
- A population of bunnies lives in the eastern regions of the United States. The bunnies find mates by doing a special dance and reproduce in the spring. Which of the following co…
- Is temporal isolation a prezygotic or a postzygotic isolating mechanism?
- Two populations of moths live in an area. One group of moths only mates with those who fly in clockwise circles. The other group only mates with those who fly counterclockwise. …
- A population of fish live in a river. After an earthquake, the river diverges and the population is split in half by a waterfall, with some living upstream and the others living…
- A population of frogs live in a pond. The population has two subgroups. When frogs from one group mate with the other group, their offspring have a harder time surviving and rep…
- How would you cause temporal isolation in a population of groundhogs?
- You are studying a population of jumping spiders. The spiders had been separated into two subpopulations by a storm. When you reintroduce the spiders to each other in the lab, t…
- Select all options that do NOT contribute to speciation in a population.
- Two species of cicada live in the same year. However, one species only emerges and mates every 17 years. The second species only emerges and mates every 13 years. They only emer…
- Select all options that contribute to speciation in a population.
- Two populations of ferrets live in a forest. The first population mates in June while the other population mates in March. The ferrets also have a specific mating ritual of play…