LE Chapter 1 Review: The Study of Life

Safety Symbol

• A symbol that indicates a safe procedure to follow

• A symbol that warns you about a danger that may exist from chemicals, electricity, heat or experimental procedures

• A symbol that represents a first aid kit

• A symbol that indicates the presence of a fire extinguisher

Quanitative data

• Data that can be measured in numbers

• Data that describes qualities or characteristics

• Data that is collected through surveys

• Data that is only available in text format

Biology

• The study of life

• The study of rocks

• The study of stars

• The study of machines

After forming a hypothesis, you should. . .

• test the hypothesis through experimentation

• ignore the hypothesis and move on

• write a conclusion immediately

• share the hypothesis with friends

Dependent variable

• The measurable effect, outcome, or response in which the research is interested.

• A variable that is manipulated to observe its effect on the dependent variable.

• A constant factor that does not change during the experiment.

• The initial condition that is measured before any changes are made.

Why do giraffes have long necks?

• To help them run faster

• To reach food better

• To attract mates

• To regulate body temperature

What does biodiversity mean?

• Differences of living things ex. lions are different than elephants

• The total number of species in a specific area

• The variety of ecosystems in a region

• The genetic variation within a single species

Peer Review

• A process by which the procedures and results of an experiment are evaluated by other scientists who are in the same field or who are conducting similar research.

• A method for conducting experiments without external validation.

• A technique for publishing research without any oversight.

• A way to ensure that all scientific findings are kept confidential.

Astrology

• a pseudoscience

• a scientific discipline

• an ancient art

• a form of psychology

Controlled variable

• Factor in an experiment that a scientist purposely keeps the same

• Variable that is changed during an experiment

• Outcome that is measured in an experiment

• Condition that is not controlled in an experiment