Analyzing Evidence

Question 1

Read the description of data collected in each of the following examples. Evaluate each situation and decide which factor best describes the inconsistent data. Five students in a classroom each counted fruit flies in a flask. Their counts gave the following data 22, 24, 26, 23, and 24. The actual number of fruit flies in the flask was 25.

Revolt · Accepted Answer

A: Lack of accuracy

Question 2

A student wants to determine how his classmates feel about school. He does a survey away from school so all participants will be willing to answer freely. In several cases, younger siblings of his classmates are present, so he lets them take the survey too. He surveys a total of 50 students. Has he done a well-designed, controlled experiment? Select the correct answer.

Revolt · Accepted Answer

D: No. His independent variable is not controlled.

Question 3

From the following list, choose the three components required for a good scientific argument.

Revolt · Accepted Answer

A: claim that explains something; C: evidence that supports claim; F: reasoning that connects claim and evidence

Question 4

Use the data set on the right to answer each of the following questions.What is the mean?

Revolt · Accepted Answer

C: 48

Question 5

Answer these two questions about the bacteria population shown in the graph. What is the trend in population size shown by the population in this graph?

Revolt · Accepted Answer

A: Increasing

Question 6

Which of the following statements describe how technology and research changed the understanding of genetics? Select all that apply.

Revolt · Accepted Answer

B: Past genetic knowledge was incorporated and adapted.; D: Early researchers were hampered by a lack of knowledge of DNA structure and function.

Question 7

Dana measured the mass of 20 soil samples for a gardening study. After measuring the first 10, she realized she had forgotten to zero the balance. She did that and then measured the other 10 samples.

Revolt · Accepted Answer

A: Human error

Question 8

What is the range?

Revolt · Accepted Answer

A: 7

Question 9

Assuming that conditions for this bacterial population do not change, what would be the expected population after 6.5 hours?

Revolt · Accepted Answer

C: About 5,300,000

Question 10

How did technology and research advances further the understanding of cells? Select all that apply.

Revolt · Accepted Answer

A: Microscopes made it possible to view cells.; C: Science discarded the idea that the basic structural unit of animals was the fiber.; D: The understanding that both plants and animals were made of cells was a breakthrough.

Analyzing Evidence Answers

More from this Course

TRY EDGENUITY HACKS