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BIO 101 GLIDER UNL TEST 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIO 101 GLIDER UNL TEST 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIO 101 GLIDER UNL TEST 1QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
Science - ANSWER determines general principles from observations and experimentation
Steps of the Scientific Method - ANSWER -Observation
-Question
-Hypothesis
- Prediction
- Controlled experiment
- Statistical analysis
- Reject or accept hypothesis bases on stat. analysis
- Publish Results
Hypothesis - ANSWER tentative explanation, based on known facts to account for observed phenomena
Experiments - ANSWER test alternative hypothese
Controlled experiment - ANSWER consists of 2 randomly selected groups of 2 organisms
(treated the same as experimental group except for one variable studied)
- provide standard against which changes in exp. group measured
- often impossible to control for all but one variable
experiemental group - ANSWER treated with respect to the variable being studied
Statistical analysis - ANSWER math formulas used to determine if:
- exp. should be accept or reject a hypothesis,
- whether the exp. results are due to chance alone or are due to experimental manipulation
, Placebo - ANSWER Substance (pill, liquid, ect) containing no medication- used as control
Placebo effect: - ANSWER a phenomenon in which some people experience a benefit after the
administration of a placebo- bases on anticipation that a placebo will help them.
Double-blind procedure - ANSWER neither the researcher nor subjects know who is receiving
experimental treatment.
What do living things do? - ANSWER -grow
-reproduce
-take in energy
-made of cells
-adaptation
-respond to environment
- maintain stable internal environment
- respiration
Living things respond to stimuli - ANSWER Detect and adjust to changes in environment
1. responses to stimuli include
-movement
- change in color
- release chemicals
Living things are composed of 1 or more __ - ANSWER cells
Living things have complex ____ - ANSWER organization
Living things take in and use energy - ANSWER 1. energy for living organisms ultimately derive from the
sun
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