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classifaction and 6 kingdoms
Question | Answer |
---|---|
species | a group of organisms that reproduce among themselves |
taxonomy | a branch of biology taet names and groups organisms according to thier characteristics and evolutionary history |
dichotomous key | instrument used to identify an organism based on certain characteristics |
metabolism | a set of chemical reactions that allow an organism to maintain life |
prokaryotic | cell with no nucleus such as bacteria |
eukaryotic | cell with a nucleus |
unicellular | one cell organism |
multicellular | many celled organism |
autotroph | an organism that makes its own food |
heterotroph | an organism that consumes its own food |
binary fission | splits in two |
conjugation | sexual reproduction in bacteria |
anaerobic | no air |
aerobic | with air |
diploid | the full number of chromosomes |
haploid | half the regular number of chromosomes |
xylem | carries water and nutrients in a plant |
phloem | carries food in a plant |
phototropism | growth toward light |
hydrotrophism | growth towards water |
sessile | organism that can not move |
hermaphrodite | an organism that contains both male and female sex organs |
decomposers | break down dead or decaying |
regeneration | organism regrows a body part |
exskeleton | outside skeleton |
endoskeleton | inside skeleton |
ecothermic | cold blooded organism |
endothermic | warm blooded organism |