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27 Cards in this Set

  • Front
  • Back
biology
the study of all living things
cell
the basic unit of life
DNA
the hereditary information that is in the form of a large molecule
ecology
the study of the interactions of organisms witho ne another and with their environment
ecosystems
environmental communities
evolve
change
evolution
all the changes that have formed life on Earth from its earliest beginnings to the diversity that characterizes it today
gene
a short segment of DNA that contains the instructions for the development of a single trait of an organism
homeostasis
the stable level of internal conditions found in all living things
organism
living things
reproduction
a process when organisms transmit hereditary information to their offspring
autotroph
organisms that obtain their energy by making their own food, like plants
heterotrophs
organisms that must take in food to meet their energy needs; includes all animals and fungi as well as many unicellular organisms and a few plant species
cell division
the formation of two cells from an existing cell
development
the process by which an organism grows
hypothesis
a statement that explains observations and can be tested
prediction
a statement made in advance that states the results that will be obtained from testing a hypothesis, if the hypotheses is supported
experimenting
the process of testing a hypothesis or prediction by gathering data under controlled conditions
microscope
an instrument that produces an enlarged image of an object
the sun
where almost all the energy for life on Earth comes from
asking a question
step #2 of the 7 scientific methods
collecting data
step #3 of the 7 scientific methods
drawing conclusions
step #6 of the 7 scientific methods
experimenting
step #5 of the 7 scientific methods
hypothesizing
step #4 of the 7 scientific methods
implementing scientific methods
step #7 of the 7 scientific methods
observing
step #1 of the 7 scientific methods