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Definition
Precise kind of organization
Growth and development
Self-regulated metabolism
Ability to respond to stimuli
Reproduction
Adaptation to environmental change |
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Definition
| bacteria & archaea only. no organelles or nucleus |
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Definition
| all chemical activities taking place within an organism |
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Definition
| appropriate, balanced internal environment. homeostatic mechanisms - very sensitive & efficient |
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Definition
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Definition
| Amoeboid movement. movement in response to stimuli |
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Definition
| properties exclusive to their level, not found on other levels |
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Term
| levels of ecological organization |
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Definition
population- species in same area & time
community- all populations in same area
ecosystem- community & nonliving environment
biosphere- all ecosystems in all of earth's layers |
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Term
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Definition
| study of relationship between organisms & environments |
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Term
| 3 basic themes of biology |
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Definition
| evolution. transmission of information. energy for life |
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Definition
| sponges, etc. in adult life do not move. but have cilia, beat rhythmically |
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Term
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Definition
| units of hereditary material |
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Definition
| each strings of nucleotides. 3 make a unit |
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Definition
| large molecules. determine structure & function |
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Definition
| electrical impulses & chemical compounds. transmit signals from receptors to brain in nervous system |
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Definition
| studies diversity of organisms & their evolutionary relationships |
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Term
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Definition
| science of naming & classifying organisms |
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Term
| binomial system of nomenclature |
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Definition
| Linnaeus. 1st genus, capitalized, can be abbrev. 2nd specific epithet, shows species, lowercase. italicized |
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Definition
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| hierarchial classification. what are the taxons? |
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Definition
| domain kingdom phylum class order family genus species |
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Term
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Definition
| found RNA differs less in closer organisms. classified domains |
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Term
| name the domains & kingdoms |
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Definition
domains: bacteria, archaea, eukarya.
kingdoms: bacteria, archaea, protista, fungi, plantae, animalia. |
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Term
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Definition
| all genes present in population |
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Term
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Definition
•protozoa, algae, water molds, slime molds
•Unicellular/ simple multicellular
•Some photosynthetic |
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Term
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Definition
•Complex multicellular photosynthetics
•Features
oHave cuticule- waxy covering to reduce water loss
oStomata- tiny openins in stems & leaves for gas exchange
oMany have multicellular gametangia- organs protect developing reproductive cells
•Nonvascular plants
omosses
•Vascular plants- have tissues to transport materials throughout
oferns, conifers, flowering plants
•Many adapted to terrestrial environments |
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Term
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Definition
| organs protect developing reproductive cells |
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Term
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Definition
•Yeasts, mildews, molds, mushrooms
•No photosynthesis; use digestive enzymes and absorb food |
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Definition
•Multicellular
•Eat other organisms for food
•Tissue specialization, evolved organs & systems |
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Term
| natural selection. darwin's 4 observations |
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Definition
oIndividual members of species have variation
oMore offspring than do survive
oCompetition for resources like food, sunlight, space. Survival of fittest
oSurvivors pass characteristics to offspring |
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Term
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Definition
| releases energy to do work |
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Term
| self sufficient ecosystem contains: |
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Definition
| producers, consumers, decomposers |
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Term
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Definition
| H2O + CO2+ sunlight --> O2 + glucose |
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Term
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Definition
| glucose + O2 --> H2O + CO2 + energy |
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Term
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Definition
| consistent with known facts. testable, falsifiable. experiement is non-biased & repeatable |
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| sampling error avoided by |
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Definition
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Definition
| explanation supported by many hypotheses & consistent results |
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Definition
| uses data from reductionism to leran about systems as a whole. interaction between parts & levels of an organism. how systems work. |
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| neither doctors nor patients know |
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