Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Question
Chapter 1, Problem 7SQ
Summary Introduction
Introduction: Science and scientific hypothesis are testable explanation for a natural phenomenon and testing hypothesis may prove it false. Scientific theories are based on particular objective descriptions of natural world.
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A controlled experiment ________.
A.
includes one group for which the scientist controls all variables
B.
is repeated many times to ensure that the results are accurate
C.
includes at least two groups, one of which does not receive the experimental treatment
D.
includes at least two groups, one differing from the other by two or more variables
If a set of WFFS has no truth-value assignment, or truth-table row, wherein all WFFS are true at the same time, that set is
O a. contradictory
b.consistent
equivalent
O d. inconsistent
mpletion Status:
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Question 2
A testable explanation for a natural phenomenon is a(n)
O a. prediction
b. model
c. conclusive description
d. experiment
e hypothesis
A Moving to another question will save this response.
AR
SONY
Chapter 1 Solutions
Human Biology (MindTap Course List)
Ch. 1 - You are a living organism. Which characteristics...Ch. 1 - Why is the concept of homeostasis meaningful in...Ch. 1 - What is meant by biological evolution?Ch. 1 - Prob. 4RQCh. 1 - Define and distinguish between: a. a hypothesis...Ch. 1 - Instructions in __________ govern how organisms...Ch. 1 - A _______ is the smallest unit that can live and...Ch. 1 - _______ is a state in which an organisms internal...Ch. 1 - Humans are _________ (animals with backbones);...Ch. 1 - Prob. 5SQ
Ch. 1 - A scientific approach to explaining some aspect of...Ch. 1 - Prob. 7SQCh. 1 - A related set of hypotheses that collectively...Ch. 1 - Which of the following is not a feature of a...Ch. 1 - The diagram below depicts the concept of _______....Ch. 1 - The diagram to the right shows how tiles can be...Ch. 1 - Court witnesses are asked to tell the truth, the...Ch. 1 - Design a test (or series of tests) to support or...Ch. 1 - In a popular magazine article the author reports...Ch. 1 - Researchers studied 393 patients in a hospitals...
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Similar questions
- What are three important thing you will consider when settting up an experiment to investigate a phenomenon? Explain why?arrow_forwardWhich of the following is used when testing a prediction?a. observationsb. inductive reasoningc. controlled experimentsd. both observations and controlled experimentsarrow_forwardAnalogies An analogy is a relationship between two pairs of tems or phrases written as a : b C d. iF symbol : is read as "is to", and the symbol : is read as "as". In the space provided, write the lette the pair of terms or phrases that best completes the analogy shown. 20. virus : bacterium : a. lamp : light bulb b. pumpkin : strawberry C. desk : doorknob d. sidewalk : street 21. DNA or RNA : viruses:: a. capsids : viral envelopes b. RNA : DNA C. white blood cells HIV d. TMV : bacterial cell 22. photosynthetic bacteria: sulfur compounds: a. chemoautotrophic bacteria : sulfur compounds b. chemoautotrophic bacteria: organic material C. heterotrophic bacteria : organic material d. photosynthetic bacteria : ammonia 23. Clostridium botulinum : botulism :: a. E. coli : diphtheria b. E. coli : Salmonella c. Staphylococcus aureus : Salm d. Corynebacterium diphtheriaearrow_forward
- Probability sample has the following.17 : characteristics except one a. It is not good representative sample b. It is the best c. Representative d. Generalise Oarrow_forwardA control group is_______ . a. a set of individuals that have a certain characteristic or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive resultsarrow_forwardA suggested and testable explanation for an event is called a ________.a. hypothesisb. variablec. theoryd. controlarrow_forward
- The 'control group' is an essential component of an experiment. This is because 1. A control group allows one to determine if a particular result is due to the experimental variable. 2. No, it's not essential in experimentation. A control group is not always necessary it depends on the experiment. 3. A control group allows for multiple variables to be tested at the same time. 4. A control group is required for the development of a prediction.arrow_forwardThe purpose of the constant is to: a. allow for adjustment of the control b. eliminate other potential factors/variables in the experiment c. allow for the dependent variable to show the necessary outcome d. help prove the hypothesis correctarrow_forwardWhen presenting a slide that shows experimental data you should explain the experiment that gave that data you should discuss the hypothesis being tested O you should discuss whether or not the results support or refute the hypothesis all of the abovearrow_forward
- Drug A is being tested for its effectiveness in easing menopause symptoms. In designing an experiment to test Drug A, which of the following would be a valid approach? a. Participants can choose whether to be in the experimental or control group. b. The experimental group will contain only females and the control group will contain only males. c. Unlike the experimental group, the control group should include subjects whose age is above 52 years. d. The experimental group will receive Drug A and the control group will receive a placebo.arrow_forwardUsing this dehydration method, any error less than 10% is acceptable. A. If your percent error is less than 10% discuss what portions of the experiment were most important to achieve accurate results My percent error was 3.32% so answer the question abovearrow_forwardWhen there is a lot of evidence to support and not sound evidence to disprove an explanation for a phenomenon in science, the idea is elevated to A. explanation B. experimentation C. theoryarrow_forward
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