The Science of Biology

Remember to wait for the vocabulary word to pop up! Can you guess it before it comes up?

**Indicates Bonus (and important) Vocabulary!PB 20 09

ScienceOrganized way of gathering and analyzing

evidence about the natural world

ObservationProcess of noticing and describing events

or processes in a careful, orderly way

Hypothesis Possible explanation for a set of observations or possible answer to a

scientific question

Inference**Idea based on what is already known

Controlled ExperimentExperiment in which only one variable is

changed

1

Control GroupGroup in an experiment that is exposed to

the same conditions as the experimental group except for one

independent variable

Independent Variable**Factor in an experiment that a scientist

purposely changes

Dependent Variable**Factor in an experiment that a scientist

wants to observe, which may change in response to the manipulated variable

DataEvidence; information gathered from

observations

Theory Well-tested explanation that unifies a

broad range of observations and hypotheses and enables scientists to make accurate predictions about new situations

Bias

Particular preference or point of view that is personal, rather than scientific

Scientific

Biology

Scientific study of life

Deoxyribonucleic Acid (DNA)

Genetic material that organisms inherit from their parents

 

Stimulus

signal to which an organism responds

 

Sexual Reproduction**Process by which two cells from different

parents unite to produce the first cell of a new organism

2 

2 

2

Asexual Reproduction**Process by which a single parent

reproduces by itself

2 

2 

A = 1

Homeostasis Relatively constant internal physical and

chemical conditions that organisms maintain

Metabolism The combination of chemical reactions

through which an organism builds up or breaks down materials

Evolve**Change over time

Biosphere Part of the Earth in which life exists

including land, water, and air or atmosphere

Metric System**Decimal system of measurement based

on certain physical standards and scaled on multiples of 10

deca - 10hecto - 100kilo - 1000deci—.1centi—.01milli—.001 

TheEnd