Biology Ch 1
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How are Science and Technology different from each other?
Science: used to "Understand Nature"
Technology: used to "Apply Knowledge"
How do Science and Technology "depend" on each other?
- Science is used to make DISCOVERIES
- Technology is used to make INVENTIONS
*More discoveries equal greater inventions, we discover stuff through inventions
What drives science?
What drives Technology?
Wants and Needs
- Form of Discovery Science
- "Specific to General" (Specific observations to general conclusions)
- Ex. an individual with black and white strips is a zebra---All zebras have black and white stripes
- Form of Hypothesis Science
- "General to Specific"
- Hypothesis --> Experiment
Limitations of Science
- "Anything that cannot be tested, proved, disproved"
- B. Proving supernatural
- C. Faith or Belief
"The study of life"
Cell (meaning and description)
- "Fundamental unit of life"
- 1. Enclosed in membraine with passage
- 2. DNA- genetic information
- 3. Two types:
- -Prokaryotic- simple (very diverse, bacteria)
- -Eukaryotic- complex (plants, people, mushrooms)
Hypothesis Science Format/Steps
- 1. Observation (usually from discovery science) leads to wanting an explanation
- 2. Hypothesis (Proposed explanation) must be testable and falsifiable.
- 3. Experiment/Test:
- Control group- no change; used to compare
- Experimental group- change of simple variable
- Conclusion- test falsifies or does not falsify hypothesis
Hypothesis must meet 2 conditions:
Testable and Falsifiable
- Broad in scope
- -explains several observations
- -supported by large amounts of evidence
- -generates new hypothesis
2 general groups of Microscopes
- "Describes" nature
- Uses Inductive Reasoning
- based on Observations and measurements
- "Explains" Nature
- Uses Deductive Reasoning
- Regulation of internal environment (PH and temp)
- Ex. "Sweating in human beings)
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