Studied by 11 people
Metabolism
The combination of chemical reactions through which an organism builds up or breaks down materials
Homeostasis
The relatively constant internal physical and chemical conditions that organisms maintain
DNA
The genetic material that organisms inherit from their parents
natural events
The goals of science are to give explanations for ________, understand patterns, and make predictions.
Plants
________ and animals are multicellular.
Stimulus
A signal to which an organism responds
Cells
The smallest units considered fully alive
Discoveries
________ lead to new technology and new technology leads to ________.
forms of life
All ________ on Earth are connected into a biosphere.
Unicellular organisms
Are made up of only a single cell
Biology
The study of life
Theory
A well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predictions about new situations
stable internal environment
Living things maintain a(n) ________.
universal genetic code
Living things are based on a(n) ________.
Plants
________ get energy from sunlight and take up nutrients from air, water, and soil.
Data
Evidence; information gathered from observations
Science
________ is a process, not a "thing.
plants
Most animals eat ________ or other animals to get both nutrients and energy.
Science
An organized way of gathering and analyzing evidence about the natural world
Observation
A process of noticing and describing events or processes in a careful, orderly way
Hypothesis
A possible explanation for a set of observations or a possible answer to a scientific question
Controlled experiment
An experiment in which only one variable is changed
Control group
The group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable
ex
people want cars that do not cause air pollution
Bias
A particular preference or point of view that is personal, rather than scientific
Biosphere
The part of Earth in which life exists, including land, water, and air or atmosphere
Sexual reproduction
Most plants and animals engage in _______, in which cells from two parents come together to form the first cell of a new living thing.
Asexual reproduction
Other living things reproduce through _______, in which a single living thing makes offspring exactly the same as itself.
Global ecology
Explores how the world is affected by everything that living things do
Biotechnology
A field based on the ability to read, write, and edit the genetic code
Metric system
A system of measurement in which units are based on multiples of 10
Inferences
Ideas based on what is already known
Independent variable
The variable that changes
Dependent variable
The variable that is observed and that changes because of modifications to the independent variable
Quantitative data
Numbers found by counting or measuring
Qualitative data
Describe things that cannot be counted
Note 
Flashcard (58)