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7 Science Ch 1 Revie

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