Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

1 Views

Evolution and Natural Selection Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of conducting experiments in science?

To prove existing theories

To confuse researchers

To test the effect of multiple factors simultaneously

To test the effect of a single, well-defined factor on a phenomenon (correct)

In the context of the text, what is the pedometer hypothesis related to?

Ants' communication methods

Ants' navigation skills (correct)

Ants' reproductive capabilities

Ants' ability to fly

What is the null hypothesis mentioned in the text?

Ants always know how far they are from their nest

The pedometer hypothesis is correct

All ants have the same stride length

If the pedometer hypothesis is wrong, stride length and step number should have no effect on the way back to the nest (correct)

What did Wittlinger's group manipulate in the ants after they walked from the nest to the feeder?

Leg length Signup and view all the answers

What was the purpose of forming a group with 'stilts' during Wittlinger's experiment?

To observe how altered leg length affects navigation Signup and view all the answers

What does the null hypothesis help researchers determine?

What should be observed if the main hypothesis is incorrect Signup and view all the answers

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 Signup and view all the answers

What was one of the manipulated factors in Wittlinger's experiment?

'Stumps' group with cut legs forming shorter-than-normal legs Signup and view all the answers

'Stilts' refers to what alteration made by Wittlinger's group in the ants?

'Bristles' glued on legs to form longer-than-normal legs Signup and view all the answers

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 Signup and view all the answers