1. Biology Review – Chapter 1

2. What is science the study of?
The natural world
What is an observation?
A fact based on one or more if your senses
What is an inference?
Logical interpretation based on prior knowledge or experience
What is a hypothesis?
Educated guess that can be tested

3. What 3 things can a hypothesis arise from?
Prior knowledge
Logical inferences
Imaginative guesses
List the 6 steps of the scientific method.
State a problem
Form a Hypothesis
Set up an experiment
Record and analyze results
Conclusion
Publish results

4. What is the idea of spontaneous generation?
Living creatures coming from non-living things
How did Redi prove the above to be untrue?
Proved maggots came from flies
How was Pasteur’s experiment different then the rest of the scientists?
He used a lid still open to air with a S-shaped curve to prove SG to be untrue

5. List the 8 things needed to be a living thing.
What is a theory?
A well tested explanation that unifies a broad range of observations
List the 8 things needed to be a living thing.
Made up of cells – multicellular or unicellular
Reproduce – asexual and sexual
DNA/Genetic Code
Grow and Develop
Metabolism – breaking down food for energy
Respond to environment
Homeostasis – body finding equilbrium
Evolution – change over time

6. List the Levels of Organization in order from smallest to largest.
Molecules
Cells
Group of Cells
Organism
Population
Community
Ecosystem
Biosphere