The study of life.
What is BIOLOGY
A factor that changes in an experiment.
What is a VARIABLE
An explanation of some part of the natural world that has been thoroughly tested and is supported by a significant amount of evidence from observations and experiments.
What is SCIENTIFIC THEORY
Anything that has mass and takes up space.
What is MATTER
The study of the interactions between living and nonliving things.
What is ECOLOGY
The collected body of data from experiments and observations
What is EVIDENCE
The variable manipulated by the experimenter.
What is an INDEPENDENT VARIABLE
A description of a natural relationship or principle is often expressed in mathematical terms and supported by a significant amount of evidence.
What is SCIENTIFIC LAW
The number of protons in an atom--unique to each type of atom.
What is an ATOMIC NUMBER
A group of interbreeding organisms coexisting together.
What is POPULATION
Observations involving numbers, such as counting or measuring.
What are QUANTITATIVE OBSERVATIONS
The variable responding to the manipulated variable.
What is a DEPENDENT VARIABLE
The idea that long ago, very simple life forms spontaneously appeared through chemical reactions.
What is ABIOGENESIS
A collection of atoms that all have the same number of protons.
What are ELEMENTS
A group of populations living and interacting in the same area.
What is COMMUNITY
Observations that are not easily counted or measured, such as color or texture.
What are QUALITATIVE OBSERVATIONS
What is an EXPERIMENTAL GROUP
The smallest units of an organism considered alive.
What are CELLS
A table of the chemical elements arranged in order of atomic number.
What is the PERIODIC TABLE
An association of living organisms and their physical environment.
What is an ECOSYSTEM
Logical interpretation based on prior knowledge, experience, or evidence.
The group in an experiment that experiences no manipulation.
What is a CONTROL GROUP
It means Single-Celled
What is UNICELLUALAR
One of several forms of an element, each containing the same number of protons but a different number of neutrons.
What are ISOTOPES
A group of ecosystems classified by climate and plant life.
What is a BIOME
A suggested, testable answer to a well-defined scientific question or a possible, testable explanation for observations.
What is HYPOTHESIS
Living creatures that are too small to see with the naked eye.
What are MICROORGANISMS
It means Many-Celled
The sum of the protons and neutrons in an atom.
What is ATOMIC MASS
The sum of all of Earth's ecosystems in land, water, or air.
What is the BIOSPHERE