Measuring Populations: Investigating the Distribution of Daisies with Distance from Trees

Measuring Populations: Investigating the Distribution of Daisies with Distance from Trees

Assessment

Interactive Video

Biology, Other

University

Hard

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The video tutorial presents an experiment conducted by Catherine to investigate how the distribution of daisies in a field varies with distance from a line of trees. The hypothesis is that the density of daisies decreases closer to the trees due to competition for resources. Catherine uses a quadrant and a belt transect method to collect data at regular intervals. The results show an initial increase in daisy density as distance from the trees increases, supporting the hypothesis up to a point. However, beyond 6 meters, the results do not support the hypothesis. The video concludes with a summary of findings and encourages viewers to engage with the accompanying assessments.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What hypothesis is Catherine investigating regarding the distribution of daisies?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What equipment does Catherine use to measure the density of daisies?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the method Catherine uses to carry out her experiment.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What were the results of Catherine's experiment at 0 meters from the trees?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the anomalous result at 2 meters in Catherine's findings.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the distance from the line of trees affect the number of daisies?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What conclusion can be drawn from the results of the experiment regarding the hypothesis?

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