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Dunn681
Classification of 6 kingdoms
| Question | Answer |
|---|---|
| Species | a group of organisms that reproduce among themselves |
| Taxonomy | branch of biology that names and groups organisms according to their characteristics and evolutionary history |
| dichotomous key | instrument used to identify an organism based on certan characteristics |
| binomial nomenclature | method of naming organisms by their genus and species |
| metabolism | a set of chemical reactions that allow an organism to maintain life |
| prokaryotic | cell with no nucleus, such as bacteria |
| eukaryotic | cell with no nucleus |
| unicellular | organism made of only one cell |
| multicellular | organism made of many cells |
| autotroph | an organism that makes its own food (producer) |
| heterotroph | an organism that consumes other organisms (consumer) |
| binary fission | asexual reproduction in bacteria; it splits in two |
| conjugation | sexual reproduction in bacteria |
| anaerobic | without air |
| aerobic | with air |
| diploid | the full number of chromosomes |
| haploid | half the number of chromosomes |
| xylem | carries water and nutrients in a plant |
| phloem | carries food in a plant |
| phototropism | growth toward light |
| geotropism | growth downward becaus of gravity |
| hydrotropism | growth toward water |
| sessile | organism does not move |
| hermaphrodite | an organism that contains both male and female sex organs |
| decomposers | organisms that break down dead or decaying organisms |
| regeneration | organism regrows body parts (such as a star fish) |
| exoskeleton | external skeleton; skeleton is on the outside of body |
| endoskeleton | internal skeleton; skeleton on inside of body |
| ectothermic | cold-blooded organism; control body temperature through external means |
| endothermic | warm-blooded organism; able to maintain its own heat |