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sci classifications
| Term | Definition |
|---|---|
| How many known species are there? | 13 billion |
| What percent of all organisms that have ever lived is this? (the 13 billion) | 5% |
| Arranging organisms into groups based on similarities is known as _____ | classification |
| Another known term for classification is _____ | taxonomy |
| What do they call scientists that study classification? | taxonomists |
| Classifying prevents _____ (aka inaccurate naming) | misnomers |
| Two examples of misnomers are ____ and _____ | starfish and jellyfish |
| What language is used for scientific naming? | Latin |
| Confusion between different languages would occur if scientists used more ____ names when naming organisms | simple/common |
| Who was the first taxonomists? What were the two groups he placed organisms into? How did he subdivide these two groups? | Aristotle; plants and animals; by habitat - land sea, and air dwellers |
| What 18th century taxonomists developed the naming system still used today? How did he group his organisms? | Carlos Linnaeus; by structure |
| What is Linnaeus's naming system called? | Binomial Nomenclature |
| The Binomial Nomenclature has a two word name structure which is made up of the ____ and _____ of the organism | Genus and species |
| In print, scientific names are italicized, _____ is capitalized, and _____ is lowercase. When writing it, it must be _____ | Genus; species; underlined |
| A category into which related organisms are placed is called a _____ ( ____ = plural) | taxon; taxa |
| The eight taxon in order from broadest grouping to most specific: | Domain - Kingdom - Phylum - Class - Order - Family - Genus - Species (Dear King Philip Came Over For Grape Soda) |
| What is the newest and broadest taxon? | Domain |
| What taxon is used in place of "Phylum" when talking about plants? | Division |
| What is the most specific taxon? | Species |
| How many domains are there? | three |
| The three domains are called ____, ____, and ____ | Archaea, Bacteria, and Eukarya |
| The main characteristics of Archaea and Bacteria is that they are both unicellular ____ and they have no _____ | prokaryotes; nucleus |
| The main characteristics of the domain Eukarya is that it's more ____ and has a ____ and _____-_____ organelles | complex; nucleus and membrane-bound organelles |
| What domain of organisms probably evolved first? What are some examples of where they live? | Archaea; extreme/ harsh environments (thermal areas, very salty water, etc) |
| Where is Eubacteria found? | all environments except harsh ones |
| Some bacteria cause disease but many act as _____ and are important for the environment | decomposers |
| Some members of Eubacteria live in the ____ of animals | intestines |
| The Domain Eukarya is divided into four kingdoms: _____ (protozoans and algae), _____(mushrooms and yeast), _____ (multicellular plants), and ______ (multicellular animals | Protista, Fungi, Plantae, and Animalia |
| _____ are mostly unicellular but sometimes multicellular and are aquatic (can be autotrophic or heterotrophic) | Protista |
| _____ are all multicellular except for unicellular yeast | Fungi |
| What type of heterotrophic organism are fungi? | absorptive heterotrophs |
| What does being an absorptive heterotroph mean? | They digest food outside of their body and absorb it |
| _____ are all multicellular and autotrophic and get their energy to make food from sunlight. | Plantae |
| What is the food making process of plants called? | Photosynthesis |
| What are plant cell walls made of? | Cellulose |
| What type of heterotroph are animals? | ingestive heterotrophs |
| What does being an ingestive heterotroph mean? | They consume food and digest it inside their bodies |
| Three examples of things used as a basis for modern taxonomy include _____ structures, similar _____ development, and _____ similarity | homologous structures, similar embryo development, and molecular similarity |
| What are homologous structures? | same structure + same function |
| A diagram showing how organisms are related based on shared derived characteristics is a _____ | cladogram |
Created by:
caitlinalb