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BIOL 1103K: Chapter 1 Test Review
What are the six characteristics of living organisms? |
Acquire and use materials and energy, maintain organized complexity (homeostasis,) perceive and respond to stimuli, grow, reproduce, and have the capacity to evolve collectively |
All energy ultimately comes from... |
The sun |
Name the domains and kingdoms of life |
Domais Bacteria, Archaea, and Eukarya with kingdoms Protista, Fungi, Plantae and Animalia |
An organism from the domain Bacteria is _karyotic, _cellular, and can be either an _troph or _troph |
pro, uni, auto or hetero |
An organism from the domain Archaea is _karyotic, _cellular, and can be either an _troph or _troph |
pro, uni, auto or het |
An organism from the kingdom Fungi is a _karyotic, _cellular _troph. |
eu, multi, hetero |
An organism from the kingdom Plantae is a _karyotic, _cellular _troph. |
eu, multi, auto |
An organism from the kingdom Animalia is a _karyotic, _cellular _troph. |
eu, multi, hetero |
An organism from the kingdom Protista is a _karyotic, _cellular or _cellular _troph or _troph. |
eu, uni or multi, auto or hetero |
All cells share the following features: |
plasma membrane, organelles, DNA |
prokaryotic |
"before nucleus," small and simple cells that lack membrane-enclosed organelles, and lack a nucleus, ex. Bacteria and Archaea |
eukaryotic |
"true nucleus," large and complex cells that contain a variety of organelles and a nucleus, ex. Eukarya |
autotroph |
"self-feeding" organism that makes its own food, ex. plant |
heterotroph |
"other-feeding" organism that ingests molecules from the bodies of other organisms, ex. animal or fungus |
unicellular |
single-celled organism, ex. Bacteria and Archaea |
multicellular |
many-celled organism ex. fungus, plant, animal |
the six steps of the Scientific Method |
observation, question, hypothesis, prediction, experiment, conclusion |
controlled variable |
variables that are controlled within an experiment to make sure that only the experimental variable affects the outcome |
experimental variable |
the variable that is altered in an experiment in order to test it |
control group |
subject in an experiment that is left unchanged to compare it to the experimental group |
scientific theory |
general and reliable explanation of important natural phenomena developed through extensive and reproducible observations and experiments |
natural law |
a basic principle derived from the study of nature, which has never been disproved by scientific inquiry |
cell theory |
all living organism are composed of cells |
Who discovered penicillin through scientific experimentation? |
Alexander Fleming |