10 Questions
What is the purpose of conducting experiments in science?
To test the effect of a single, well-defined factor on a phenomenon
In the context of the text, what is the pedometer hypothesis related to?
Ants' navigation skills
What is the null hypothesis mentioned in the text?
If the pedometer hypothesis is wrong, stride length and step number should have no effect on the way back to the nest
What did Wittlinger's group manipulate in the ants after they walked from the nest to the feeder?
Leg length
What was the purpose of forming a group with 'stilts' during Wittlinger's experiment?
To observe how altered leg length affects navigation
What does the null hypothesis help researchers determine?
What should be observed if the main hypothesis is incorrect
Why did Wittlinger's group cut the legs of some ants to form shorter-than-normal legs?
To observe how altered leg length affects navigation abilities
What was one of the manipulated factors in Wittlinger's experiment?
'Stumps' group with cut legs forming shorter-than-normal legs
'Stilts' refers to what alteration made by Wittlinger's group in the ants?
'Bristles' glued on legs to form longer-than-normal legs
What did Wittlinger's group measure after manipulating ants into different groups and observing their navigation back to the nest?
Distance ants traveled back to nest via different route
Test your knowledge on evolution and natural selection, including the concepts of change in characteristics of a population over time, species relations, group dynamics, and natural selection conditions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
