Biology Environmental Science The Science of Biology Scientific
Biology / Environmental Science The Science of Biology
Scientific Method
Scientific Method Observation Using one of more senses (touch, hearing, sight, smell, taste) to gather information
Scientific Method Data Information gathered from observations
Scientific Method Hypothesis Possible answer to a scientific question
Scientific Method Responding Variable Also known as Dependent Variable The factor that scientists observe that may change in the experiment Graphed on the Y – axis * DRY *
Scientific Method Manipulated Variable Also known as Independent Variable The factor that scientists change in the experiment Graphed on the X – axis * MIX*
Scientific Method Controlled Variable The factor in the experiment that the scientists purposely keep the same
Scientific Method Theory A well-tested explanation the unifies a broad range of observations A well supported hypothesis
Characteristics of Life All living things: Are made of cells
Characteristics of Life All living things: Reproduce
Characteristics of Life All living things: Have a genetic code (DNA)
Characteristics of Life All living things: Grow and Develop
Characteristics of Life All living things: Obtain and Use Energy
Characteristics of Life All living things: Respond to their environment
Characteristics of Life All living things: Maintain Homeostasis
Characteristics of Life All living things: Evolve
Levels of Organization • Smallest Level Atoms
Levels of Organization Next Level Molecules
Levels of Organization • Macromolecules • Lipids, Carbohydrates, Protein, Nucleic Acid
Levels of Organization • Organelles
Levels of Organization The Basic Unit of Life • Cells
Levels of Organization • Cells make: • Tissue • Organs • Organ Systems
Levels of Organization • Organisms
Levels of Organization • Population
Levels of Organization • Community
Levels of Organization Ecosystem
Levels of Organization • Biome
Levels of Organization • BIOSPHERE
TOOLS • Triple Beam Balance • Measures mass • In grams (g)
TOOLS • Graduated Cylinder • Measures volume • In milliliters (ml)
TOOLS • Meter Stick • Measures length • In centimeters (cm) or millimeters (mm)
Tools • Microscope • Objects appear upside down • Objects appear to move in opposite direction
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