Bio 1 Vocabulary- Chapter 1

Vocabulary Terms For Biology 1 Chapter 1.

Observation

The act of noticing and describing events or processes in a careful, orderly way

Inference

A logical interpretation based on what scientists already know

Hypothesis

A tentative scientific explanation that can be tested by further observation or by experimentation

Controlled Experiment

An experiment in which only one variable is changed

Independent Variable

The variable that is deliberately changed

Dependent Variable

The variable that is observed and that changes in response to the independent variable

Control Group

Exposed to the same conditions as the experimental group except for changes in the independent variable

Data

What scientists gather while observing their experiments

Theory

A well-tested explanation for a range of phenomena

Bias

A personal rather than scientific, point of view for, or against, something

Biology

The science that employs scientific mythology to study living things

Sexual Reproduction

Cells from two different parents unite to produce the first cell of the new organism

Asexual Reproduction

The new organism has a single parent

DNA

This genetic code, with a few minor variations, determines the inherited traits of every organism on Earth

Metabolism

The combination of chemical reactions as it carries out its life processes

Stimulus

A signal to which an organism responds

Homeostasis

The relatively consistent set of conditions needed to survive

Evolve

Change over time