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7 Science Ch 1 Revie
| Question | Answer |
|---|---|
| biology | study of living things |
| biologist | scientist who studies living things |
| organism | living things |
| zoology | study of animals and how they live |
| botany | study of plants |
| microbiology | study of organisms too small to see without a microscope |
| ecology | study of organisms interacting with their surroundings and each other |
| anatomy | study of organism shape andstructure |
| physiology | study of how an organism's structures function |
| metabolism | the sum of all body activities |
| ingestion | eating |
| respiration | process in which stored food reserves are converted into useful energy |
| excretion | removal of unneeded substances |
| flora | plant life |
| fauna | animal life |
| symmetry | ability to cut an object into equal halves that are mirror images of each other |
| environment | everything surrounding an organism being studied |
| terrestrial | environments on land |
| arboreal | relating to trees; living in trees |
| habitat | the place that an organism lives |
| diurnal | Active during the day. |
| nocturnal | Active at night. |
| aquatic | environments pertaining to water |
| freshwater | water environments with water that contains little or no salt; ponds, lakes rivers and streams |
| marine | environments in the seas and oceans |
| intertidal zone | portion of the shoreline that lies between the high and low tide lines |
| tide pool | temporary pool of ocean water that gets trapped between rocks when the tide goes out |
| scavenger | animals that feed on dead organisms |
| thermal vent | hot springs found in the ocean floor. |
| scientific method | systematic way for scientists to gather and pursue scientific knowledge |
| hypothesis | sensible, proposed answer to a question that must be testable |
| data | facts, figures, and other evidence gathered through observations |
| theory | a way of explaining an object or event by using a set of facts |
| law | a theory that has never been proven false |
| experimental group | the group in an experiment on which a test is performed |
| control group | the group in an experiment used as a standard for comparisono |
| constant variable | variable kept the same throughout the experiment |
| bilateral symmetry | organisms that can be cut only one way to create right and left halves |
| radial symmetry | organisms that can be cut multiple ways to create mirror halves |
| asymmetrical | organisms that cannot be cut into equal halves |
| four things all organisms need to stay alive | food, oxygen, water and specific temperatures |
| four things trackers can use to identify tracks | size, number of toes, claw marks and movements |
| Sir Francis Bacon | scientist who introduced the scientific method |
| three main parts of any scientific method | hypothesizing, observation and experimentation |
| purpose of science | carefully observing nature, discovering the laws of creation, and using those laws for mankind's benefit |
| six steps of scientific method | state the problem, gather info about the problem, formulate a hypothesis, test the hypothesis, record and analyze the experiment and state the conclusion |
Created by:
Mrs_CC
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