Step 1: Observation
Step 2: Question
Step 3: Hypothesis
Step 4: Predictions
Step 5: Experiment
Step 6: Results
Deals with descriptions. Data can be observed but not measured. Colors, textures, smells, tastes, appearance, beauty, etc. Qualitative → Quality
The scientist focuses his or her observations on the dependent variable to see how it responds to the change made to the independent variable. The new value of the dependent variable is caused by and depends on the value of the independent variable.
Order - all living things exhibit complex, but ordered organization.
Growth and Development - Information carried by genes controlled the pattern of growth and development in all organisms.
Regulation - The environment outside the organism may change drastically, but the organism can adjust it's internal environment, keeping it within appropriate limits.
Cells make up tissues
Tissues make up organs
Organs make up organ systems
The pH scale measures how acidic or basic a substance is. The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic. Measure of the hydrogen ion concentration. Unit = tenfold change
The material surrounding the nucleus of a cell. It consists of a matrix in which the cell's organelles are suspended. Two types. Ectoplasm - concerned with cell movement. Endoplasm - contains most of the cell's structures.
The movement of substances through membranes in living cells, often against a concnetration gradient; requiring metabolic energy.
What was the purpose of Mendel's experiments?
Mendel's law of segregation
Defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance. Although appearance is helpful in identifying species, it does not define species.
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