Question 1

Which of the following best describes the scientific method as outlined in the study materials?

Accepted Answer

A cyclical process involving observation, hypothesis formation, experimentation, and analysis, often leading to revision of the hypothesis.

Question 2

In the pill bug experiment testing the effect of light, what is the independent variable?

Accepted Answer

The amount of light present in each region of the behavior chamber.

Question 3

Which of the following is the correct definition of a hypothesis as used in the scientific method?

Accepted Answer

A tentative explanation or statement that can be tested through experimentation.

Question 4

If pill bugs are positively phototaxic, what would you expect to observe in the behavior chamber experiment?

Accepted Answer

Pill bugs will move toward the light region.

Question 5

Which equation best represents the relationship between the dependent and independent variables in a pill bug experiment?

Accepted Answer

$$y = mx + b$$

Question 6

In the experiment testing pill bug response to moisture, what is the dependent variable?

Accepted Answer

The number of pill bugs in the moist region after exposure.

Question 7

Which of the following is an example of a controlled variable in the pill bug experiments?

Accepted Answer

The number of pill bugs used in each trial.

Question 8

A student hypothesizes: 'If pill bugs are negatively hydrotaxic, then they will move away from moist regions.' Which of the following is the correct prediction based on this hypothesis?

Accepted Answer

Pill bugs will move away from the moist region.

Question 9

Which of the following best describes a control group in the context of the pill bug experiments?

Accepted Answer

A group of pill bugs not exposed to the independent variable.

Question 10

In the context of animal behavior, which term describes movement in response to a stimulus, but not in a specific direction?

Accepted Answer

Kinesis

Question 11

Which of the following is a correct example of a prediction in the scientific method?

Accepted Answer

If pill bugs are positively phototaxic, then they will move toward the light region.

Question 12

A student wants to test the effect of temperature on pill bug movement. Which of the following would be the best independent variable for this experiment?

Accepted Answer

The temperature in each region of the behavior chamber.

Question 13

Which of the following statements about phototaxis is correct?

Accepted Answer

Phototaxis is movement in response to light.

Question 14

If the data from an experiment does not support the original hypothesis, what is the next step in the scientific method?

Accepted Answer

Revise or reject the hypothesis and design a new experiment.

Question 15

Which of the following best describes taxis in animal behavior?

Accepted Answer

Directional movement toward or away from a stimulus.

Question 16

In the pill bug moisture experiment, which of the following would be a valid conclusion if most pill bugs are found in the moist region?

Accepted Answer

Pill bugs are positively hydrotaxic.

Question 17

Which of the following is a multi-step problem involving both hypothesis and prediction?

Accepted Answer

Formulate a hypothesis about pill bug response to temperature, then predict their movement if the hypothesis is correct.

Question 18

Which of the following is the correct way to graph the results of the pill bug experiment?

Accepted Answer

Plot the independent variable on the x-axis and the dependent variable on the y-axis.

Question 19

Which of the following is NOT a step in the scientific method as described in the study materials?

Accepted Answer

Ignoring data that does not fit the hypothesis.

Question 20

A student designs an experiment to test pill bug response to substrate type (sand vs. soil). What would be the dependent variable?

Accepted Answer

The number of pill bugs in each substrate region after exposure.

Scientific Method and Animal Behavior: Pill Bug Experiments

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