Biology TEST ONE
Terms
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- an organized way of gathering and analyzing evidence about the natural world
- science
- what procedures are at the core of scientific methology?
- observing and asking questions, inferring and forming a hypothesis, conducting controlled experiments, collecting and analyzing data, and drawing conclusions.
- the beginning of scientific investigations
- observation
- a logical interpretation based on what scientists already know
- inference
- a scientific explanation for a set of observations that can be tested in ways that support or reject it
- hypothesis
- manipulated variable
- independent variable
- responding variable
- dependent variable
- is exposed to the same conditions as the experiment group except for one independent variable
- control group
- numbers obtained by counting or measuring
- quantitative data
- descriptive and involve characteristics that cant usually be counted
- qualitative data
- What scientific attitudes help generate new ideas
- curiosity, skepticism, open-mindedness, and creativity
- questioning existing ideas and refusing to accept explanations without evidence
- skepticism
- scientific papers are reviewed by anonymous, independent experts
- peer review
- the central organizing principle of all biological and biomedical science
- evolutionary theory
- a particular preference or point of view that is personal, rather than scientific
- a bias
- What characteristics do all living things share?
- made up of cells, based on a universal genetic code, obtain and use materials and energy, grow and develop, reproduce, repsond to their environment, maintain a stable internal environment, and change over time.
- a signal to which an organism responds
- stimulus
- cells from 2 parents unite to form the first cell of a new organism
- sexual reproduction
- a singal organism produces offspring identical to itself
- asexual reproduction
- keeping internal environment relatively stable, while external conditions change dramatically
- homeostasis
- the combo of chemical reactions through which an organism builds up or breaks down material
- metabolism