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ELL Biology Ch 6
Simple Organisms
Term | Definition |
---|---|
kingdom | the most general of the seven levels of classification |
classification | a system of grouping things according to similarities |
bacteria | simple, unicellular organism that do not have nuclei (singular = bacterium) |
flagella | long, thin, threadlike structures that are used for movement (singular = flagellum) |
archaebacteria | bacteria that live in extreme environments |
protist | a simple organism that is neither plant nor animal but that often has characteristics of both |
protozoan | an animal-like protist |
cilia | tiny hairs used for movement (singular = cilium) |
pseudopod | an extension of cytoplasm used for movement |
algae | plantlike protists |
fungi | organisms that may be unicellular or multicellular, have cells with a nucleus, and do not have chlorophyll (singular = fungus) |
hyphae | chains of cells that form fibers in a fungi |
spore | the reproductive cell of organism such as ferns, fungi, and algae |