Biology Unit 1 Pre -test
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You are walking down the street and see a young man walking towards you wearing sagging shorts, an oversized t-shirt and large silver necklace chain with a large pendant hanging on it. Which of the following is an INFERENCE about the young man
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He is wearing sagging shorts
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He is walking
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He must get in trouble at school
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He is wearing a necklace
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This is a pretest for students in a sophmore/junior biology class at Fairview High School
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- 2.
The step by step directions for a lab activity are called the...
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Process
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Procedure
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Prototype
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To do list
Correct Answer
A. ProcedureExplanation
The step by step directions for a lab activity are called the procedure. A procedure outlines the specific steps and instructions that need to be followed in order to complete the lab activity accurately and safely. It provides a clear and organized plan for conducting the experiment or activity, ensuring that all necessary actions are taken in the correct order. A procedure helps to ensure consistency and reproducibility in scientific experiments and activities.Rate this question:
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- 3.
Researchers at a the Cleveland Museum of Natural History have noticed that there are fewer dragonfly larvae in the feeder creeks of the Rocky River Reservation. Which of the following would be a testable hypothesis to explain this:
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If pH levels in the water are higher because of pollution and there are too many frogs in the water, then there will be fewer larvae
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If there is a drop in water temperature then dissolved oxygen levels will also drop and this will kill off larvae
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Larvae don't like to live on the west side of the Rocky River
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Larvae like to eat small insect eggs
Correct Answer
A. If there is a drop in water temperature then dissolved oxygen levels will also drop and this will kill off larvaeExplanation
If there is a drop in water temperature, it can lead to a decrease in dissolved oxygen levels. This decrease in dissolved oxygen can be harmful to the larvae, potentially killing them off. This hypothesis suggests that the change in water temperature is directly impacting the survival of the dragonfly larvae.Rate this question:
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- 4.
Which of the following is not part of the scientific method?
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Conclusion
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Data Collection
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Observation
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Wandering Variables
Correct Answer
A. Wandering VariablesExplanation
The scientific method is a systematic approach used to investigate and understand the natural world. It involves making observations, collecting data, forming hypotheses, conducting experiments, analyzing results, and drawing conclusions. "Wandering Variables" is not part of the scientific method. This term does not have a specific meaning in the context of scientific inquiry and is not a recognized step or component of the scientific method.Rate this question:
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- 5.
The independent variable in an experiment is the variable that is:
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Controlled by the experimenter
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Effected by the experiment
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Not effected by anything anyone does to the experiment
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Variable that can be left out of the experiment
Correct Answer
A. Controlled by the experimenterExplanation
The independent variable in an experiment is the variable that is controlled by the experimenter. This means that the experimenter has the ability to manipulate or change the independent variable in order to observe its effect on the dependent variable. By controlling the independent variable, the experimenter can determine the cause and effect relationship in the experiment.Rate this question:
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Current Version
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Mar 21, 2022Quiz Edited by
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Aug 21, 2008Quiz Created by
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