The Science of Biology. Chapter 1. I. Introductory Terms. Science: An organized way of using evidence, based on observations, to learn about the natural world. Observations: Information gathered using the senses. 1.Quantitative- involves numbers or measurements
The cell is the
basic unit of life.
Hypothesis = possible solution to problem; an educated guess based on background information
Law: a rule that describes, but doesn’t explain, a pattern in nature and predicts what will happen under specific conditions
Served as naturalist on mapping expedition around coastal South America.
Used many observations to develop his ideas
Proposed that evolution occurs by
Similarity of related species
- Darwin noticed variations in related species living in different locations
- Darwin realized that not all members of a
population survive and reproduce.
natural selection: individuals with superior physical or behavioral characteristics are more likely to survive and reproduce
evolution:modification of a species over generations
Mechanisms of heredity