Unit 2 Vocabulary (Taxonomy)
47341185 | taxonomy | classifying and giving each organism a universal name | |
47341186 | classify/classification | to categrize or put into groups | |
47341187 | dichotomous key | tool used to identify organisms. At each step, it splits characteristics into two categories: "has" or "does not have" | |
47341188 | domain | 3 largest taxonomic categories -- larger than a kingdom (Eubacteria, Eukarya, and Archaea) | |
47341189 | kingdom | large taxonomic group (Plantae, Animalia, Fungi, Protista, Eubacteria, Archaebacteria) | |
47882701 | phylum | a group of closely related classes (for example: Chordata, Mollusca, Porifera, etc) | |
47882702 | class | a group of closely related orders | |
47882703 | order | a group of closely related families (for example: Order Carnivora - animals that eat meat) | |
47882704 | family | a group of closely related genera (for example: Family Felidae (cats) or Family Canidae (dogs)) | |
47882705 | genus | a group of closely related species. The first part of a scientific name. Always capitalized (example: Homo in Homo sapiens) | |
47882706 | species | a group of similar organisms that can interbreed and have fertile offspring. The second part of a scientific name. Always lower case. (example: sapiens in Homo sapiens) | |
47882707 | binomial nomenclature | 2-name scientific naming that uses Latin, developed by Carolus Linneaus. (example: Homo sapiens - humans or Panthera tigris - tiger) | |
47882708 | Archaebacteria | single-celled prokaryote (no nucleus), bacteria, live in harsh conditions (very salty, no oxygen, very hot), ancient form of life. (Remember: harsh=Arch) | |
48308723 | Eubacteria | single-celled prokaryote (no nucleus), bacteria, advanced bacteria, live all around us, many are germs | |
48308724 | Protista | single or multicellular, eukaryotes (have nucleus), live in pond water, can move, some are photosynthetic | |
48308725 | Fungi | single or multicellular, eukaryotes (have nucleus), heterotrophs (eat others), cell walls of chitin, can't move (non-mobile) | |
48308726 | Plantae | multicellular, eukaryotes, photosynthetic, cell walls of cellulose, non-motile (can't move) | |
48308727 | Animalia | multicellular, eukaryotes, heterotrophs, no cell walls, can move (motile or mobile) | |
48308728 | traits | features, qualities or characteristics | |
48308729 | characteristics | features, qualities or traits | |
48308730 | Prokaryotes | cells that have NO nucleus or organelles, have ribosomes | |
48308731 | Eukaryotes | have a nucleus, organelles, and ribosomes | |
48308732 | symmetry | when split in half, each side is a mirror image of the other | |
48308733 | cellulose | sugar molecule in plant cell walls | |
48308734 | chitin | sugar molecule found in fungi cell walls | |
48308735 | cell wall | strong layer outside the cell membrane | |
48308736 | multicellular | more than one cell | |
48308737 | unicellular | one cell | |
48308738 | related/relationship | link or connection |