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Life Science
Chapter 9
| Question | Answer |
|---|---|
| Kingdom Animalia | Most posess nervous system, felis domesticus, lack cell walls |
| Kingdom Protista | Algae, most are single celled, all eukaryotes that arent other kingdoms, evolved from bacteria 2 billion years ago |
| Kingdom Eubacteria | No nucleus, Prokaryotes found in human body, all are single celled |
| Kingdom Plantae | Ferns, Usually green, use the sun's energy to make sugar |
| Kingdom Fungi | Molds Mushrooms, Breaks down materials |
| Kingdom Archaebacteria | Have existed for at least 3 billion years, Form yellow hot springs where the temperature is 90 degrees Celcius (194 degrees Ferenheit) |
| Classification | the arrangement of organisms into orderly groups based on their similarities and presumed evolutionary relationships |
| Kingdom | the most general of the seven kingdoms |
| Phylum | the level of classification after phylum; the organisms in all phyla are sorted into classes |
| Class | the level of classification after phylum; the organisms in all phyla are sorted into classes |
| Order | the level of classification after class; the organisms in all families are sorted into genera |
| Species | the most specific of the seven levels of classification; characterized by a group of organims that can mate with one another to prudce fertile offspring |
| Dichotomous key | an aid identifying unknown organisms that consists of several pairs of descriptive statements; of each pair of organism, and that statement will lead to another set of statements, and so on, until the unkown organism can be identified |
| Taxonomy | the science of identifying, classifying, and naming living things |
| Eubacteria | a classification kingdom containing mostly free-living bacteria found in many varied environments |
| Archaebacteria | a classification kingdom containing bacteria that thrive in extreme environments |
| Binomial Nomenclature | a system for naming organisms |