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Classification of Organisms
Transcript of Classification of Organisms
Mr. Chinua Mosley
Classification is placing things into groups based on shared qualities.
Taxonomy is the science of classifying things.
Scientists often classify organisms using a dichotomous key.
A dichotomous key is tool that scientists use to identify specific species
Here is a video about dichotomous keys.
Since there are over 10 million different species of living things on Earth, grouping organisms by characteristics helps scientists stay organized while trying to understand our world.
The 6 Kingdoms of life
Archaebacteria are single celled organisms that don't have a nucleus. They are different from other bacteria in several ways, but one of the main differences is that archaebacteria can live in extreme envirnoments like boiling water, very salty water, acids, or smoke.
Eubacteria are single celled organisms without a nucleus. Most Eubacteria aren't harmful. Some Eubacteria are helpful by making food like blue cheese. Other Eubacteria can make you sick like Ecoli.
Protists are single celled organisms with a nucleus. Some are multicellular, but most are single cellular. Protists can be like plants or animals. Algae is a protist that resembles plants and an amoeba is a protist that resembles animals.
Fungi are multicellular organisms that function primarily as decomposers and parasites. Some fungi are edible, but many will make you sick. Mold and yeast are fungi.
Plants are multicellular organisms that make their own food. Spinach is a plant.
Animals are multicelllular organisms that must eat other organisms to survive. Eagles are animals.