Which Scenario Is NOT an Example of a Prezygotic Isolating

question 43

Multiple Choice

Which scenario is NOT an example of a prezygotic isolating mechanism?

• A) An iris blooms at a different time of the year than a daffodil.
• B) A peacock puts on a different mating display than a sparrow.
• C) A snail with a shell coiling in one direction cannot mate with a snail whose shell curls in the other direction.
• D) A zebroid, a cross between a horse and zebra, is sterile.
• E) One type of roundworm would reject the sperm from another species of roundworm.

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Definitions:

Activity Duration

The time period from the start to the end of an activity or task.

Early Finish

In project management, the earliest possible point in time when a task or project phase can be completed, assuming all goes according to plan.

Late Start

The latest possible time a task can begin without delaying the project completion date in project management.

Activity Duration

The total length of time required to complete a specific task or activity from start to finish.