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Semester Test Vocabulary
Terms in this set (55)
A tendency to maintain a balanced or constant internal state
Scientific study of interactions among organisms and between organisms and their environment
Characteristics of Life
1.cells 2.reproduction 3.genetic code 4.growth & development 5.Use energy 6.response to environment 7.internal balance 8.evolution
Change over time
A series of steps followed to solve problems
Facts and statistics collected together for reference or analysis
A way to do research in order to find information or data
Information obtained through the senses.
Data that is represented by measurements or counting.
Data that can be descriptive.
A change in an organism's surroundings that causes the organism to react
A reaction to a stimulus.
The variable being tested or experimented on
The variable that is manipulated
A pure substance made of only one kind of atom
A substance made up of atoms of two or more different elements joined by chemical bonds
A very large organic molecule composed of many smaller molecules
A long molecule consisting of many similar or identical monomers linked together.
electrons orbit the nucleus
A negatively charged particle
A neutral charged particle
A positive charged particle
A combination of chemical symbols and numbers to represent a substance
the process by which the atoms of one or more substances are rearranged to form different substances
having a pair of equal and opposite charges
Properties of Water (H2O)
-Cohesion & Surface Tension,
Heat capacity, heat of vaporization
Biological Levels of Organization
Atom, molecule, macromolecule/organelle, cell, tissue, organ, organ system, organism
Smallest particle of an element
The simplest structural unit of a cell or compound
A tiny cell structure that carries out a specific function within the cell
Basic unit of life
A group of similar cells that perform the same function.
A group of similar tissues that perform the same function.
A group of similar organs that perform the same function.
A living thing
A group of individuals that belong to the same species and live in the same area
A group of interdependent organisms inhabiting the same region and interacting with each other
Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.
Science-The Study of Life
-deoxyribonucleic acid, double stranded and found in the nucleus
A segment of DNA on a chromosome that codes for a specific trait
A hypothesis that has been tested with a significant amount of data
A summary of many experimental results and observations; tells how things work
A testable prediction, educated guess.
A logical interpretation based on prior knowledge and experience.
Knowledge that people use to make a way of life in their surroundings
Plants use the suns energy to make their food and sugar
Atoms of the same element that have different numbers of neutrons
A charged atom
A chemical bond because of the attraction between oppositely charged ions.
A chemical bond formed when two atoms share electrons
weak attraction between a hydrogen atom and another atom
something that brings about a change in something else
A type of protein that speeds up a chemical reaction in a living thing
0-6.99 = Acid
7 = Neutral
7.01-14 = Base
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