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24 Cards in this Set
- Front
- Back
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Steps of scientific method
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-Observe natural phenomena -Construct a hypothesis to explain the observation -Test the hypothesis with experiments -Draw conclusions about the hypothesis based on the data resulting from experimentation |
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Difference between theory and hypothesis
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Theory: proved Hypothesis: educated guess |
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Inductive reasoning
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making a conclusion based on direct observations.
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Deductive reasoning
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drawing specific conclusions from general principles (infer).
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Dependent variable
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what the investigator measures.
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Independent variable
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what the investigator measures.§ Independent variable: the
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Depth of focus
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The vertical distance that remains in focus at one time
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Field of view
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The circle of light one sees in the microscope
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Total magnification
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Unaided eye (1X) x Eyepiece (10X) x objective lens (4-100X)
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Steps of making wet mount
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-Put one drop of water on the slide ★ -Place an object on the slide -Lower the cover glass slowly to avoid air pockets -After placing the cover glass, the excess water should be absorbed with paper. |
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Difference between prokaryote and eukaryote cells.
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Prokaryotes are smaller and less complex. Prokaryotes do not have true nucleus, or membrane-enclosed organelles |
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Difference between plant and animal cells.
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-Plant cells are usually larger than animal cells -Plant cells have cell wall, plastids, chloroplast, and large central vacuole, but animal cellsdo not. -Animal cells have centrioles and lysosomes, but plant cells do not. |
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Cell wall
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Structural support and protection; filtering mechanism
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Four types of animal tissues and their functions
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-Epithelium tissue: protection -Connective tissue: hold organ together ★ -Muscle tissue: posture and body support; locomotion; heat production -Nervous tissue: signal transport |
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Five types of connective tissue
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1.Loose 2.Adipose 3.Cartilage 4.Bones 5.Blood |
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Difference between dicot and monocot plants
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Three types of plant tissues and their functions
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-Dermal tissue: protection; prevention of water loss -Ground tissue: photosynthesis; food storage; regeneration; support -Vascular tissue: transport of water and minerals (xylem); transport of food (phloem) |
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Which organic compound is not soluble in water?
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Lipids
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