Term | Definition |
Cell | The basic unit of life found in all living things |
Organ | A group of tissues that work together to carry out a specific function |
organ system | a group of organs that work together, within an organism, to carry out a specific function |
organism | any living thing |
tissues | a group of specialized cells |
cell division | process by which a cell splits into two new cells |
cell growth | process by which a cell increases its size |
multicellular | having or consisting of many cells |
unicellular | consisting of a single cell |
stimulus | signal to which an organism responds |
response | reaction of an organism to a stimulus |
chromosome | structure found in the cell that carries the genetic |
gene | small part of a chromosome that determines a specific trait |
heredity | passing of traits from one generation to another |
sexual reproduction | process by which sex cells from two organisms join to create a new organism |
asexual reproduction | process by which a single organism can reproduce by itself |
photosynthesis | process by which organisms use light energy to make food energy |
condensation | change in the physical state of matter from gas to the liquid phase |
precipitation | any form of water that falls to Earth's surface from the clouds |
evaporation | change in the physical state of matter from liquid to the gas phase |
humidity | the amount of water vapor in the air |
jet stream | a high speed wind current in the upper level of the atmosphere |
compound | a pure substance composed of two or more elements chemically combined |
mass | a measure of the amount of matter an object has |
element | a pure substance that cannot be broken down by chemical or physical means |