Classification
Which classification level contains the greatest number of organisms?
Domain
What is a prokaryote?
A cell that does not contain a nucleus.
What is the main difference between Archaea and Bacteria?
Bacteria cell calls contain peptidoglycan while Archaea cell walls do not.
What domain does Protista fall under?
Eukarya
What kingdom do humans belong to?
Animalia
What is the science of naming and classifying living things?
Taxonomy
What is a flagellum?
A whip-like tail for movement.
What do methanogens produce?
Swamp gas, and intestinal gas in humans and other organisms.
Protozoans are protists with animal-like characteristics. They move by extending lobes of cytoplasm. What is this "false foot" called?
Pseudopod
What phylum do humans belong to?
Chordata
This scientist developed the modern system of classification and binomial nomenclature.
Carolus Linnaeus
Prokaryotes have different shapes. Some are cocci. What does this mean?
Spherical
A specific type of Archaea live in hot, acidic water. What type of Archaea is this?
Thermoacidophiles
What is an example of an organism that falls under the classification of sarcodinians?
Amoeba
What class do humans belong to?
Mammalia
What classification level comes directly after Order?
Family
When testing a prokaryotes cell wall, a technique called Gram staining is used. If the cell comes back gram negative, what does that mean?
That the cell wall has an extra lipid layer and the cell appears pink after the Gram stain
Where do halophiles live?
They live in extremely salt conditions.
What type of Protozoans move with a flagella?
Zooflagellates
What order do humans belong to?
Primates
What are the 8 classifications categories? List them in order.
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
What is a saphrotroph?
A heterotroph that gains energy by decomposing dead organisms and waste.
A specific type of Archaea, chemosynthesizers, use inorganic compounds as a source of energy. What is an example of a compound that would be poison to most, but Archaea can utilize as an energy source?
Hydrogen sulfide
Ciliaphorans use short, hairlike projections to propel themselves through water. They also use these structures to reproduce asexually by conjugation. What are these structures called?
Cilia
Humans closest living relatives are the chimpanzee. Both humans and chimps share the same Family. What is the Family they share?
Homindae