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Classification of Life
Taxonomy ranks, kingdoms, domains and naming.
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- TaxonomyTermThe science of naming and classifying living things
- Who created the system of naming species with two names?TermCarl Linnaeus
- Binomial nomenclatureTermNaming each species with a two-part Latin name
- GenusTermThe first part of a scientific name, capitalized
- SpeciesTermThe second part of a scientific name, lowercase; a group that can breed together
- Scientific name of humansTermHomo sapiens
- Scientific name of the domestic dogTermCanis familiaris
- Scientific name of the house catTermFelis catus
- Taxonomic ranks from biggest to smallestTermDomain, kingdom, phylum, class, order, family, genus, species
- Memory trick for ranksTermDear King Philip Came Over For Good Soup
- How many domains of life are there?TermThree: Bacteria, Archaea and Eukarya
- Domain BacteriaTermSingle-celled organisms without a nucleus, common everywhere
- Domain ArchaeaTermSingle-celled organisms without a nucleus, often in extreme places
- Domain EukaryaTermOrganisms whose cells have a nucleus
- Kingdom AnimaliaTermMulticellular organisms that eat food and can move
- Kingdom PlantaeTermMulticellular organisms that make food by photosynthesis
- Kingdom FungiTermOrganisms that absorb food from their surroundings, like mushrooms
- Kingdom ProtistaTermMostly single-celled eukaryotes, like amoebas and algae
- Phylum ChordataTermAnimals with a backbone or notochord
- Phylum ArthropodaTermAnimals with jointed legs and an exoskeleton
- Phylum MolluscaTermSoft-bodied animals, often with shells, like snails and clams
- Phylum AnnelidaTermSegmented worms like earthworms
- Phylum CnidariaTermAnimals with stinging cells like jellyfish and corals
- Phylum EchinodermataTermSpiny-skinned animals like sea stars
- Phylum PoriferaTermSponges
- Phylum PlatyhelminthesTermFlatworms
- Class MammaliaTermAnimals with hair that feed milk to their young
- Class AvesTermBirds
- Class ReptiliaTermReptiles
- Class AmphibiaTermAmphibians
- Class InsectaTermInsects
- Class ArachnidaTermSpiders, scorpions and ticks
- VertebrateTermAn animal with a backbone
- InvertebrateTermAn animal without a backbone
- Dichotomous keyTermA tool that identifies organisms with a series of two-choice questions
- CladogramTermA branching diagram showing evolutionary relationships
- PhylogenyTermThe evolutionary history of a group of organisms
- AutotrophTermAn organism that makes its own food
- HeterotrophTermAn organism that gets food from other organisms
- ProkaryoteTermA cell with no nucleus
- EukaryoteTermA cell with a nucleus
- Homologous structuresTermBody parts with a shared origin but different jobs, like a bat wing and human arm
- Analogous structuresTermParts with similar jobs but different origins, like bird and insect wings
- Vestigial structureTermA body part that has lost most of its original use
- Species definitionTermA group that can breed and make fertile offspring
- Hybrid example: muleTermOffspring of a horse and a donkey, usually sterile
- Warm-blooded (endotherm)TermKeeps a steady body temperature using its own heat
- Cold-blooded (ectotherm)TermBody temperature depends on the surroundings
- MonotremeTermAn egg-laying mammal, like the platypus
- MarsupialTermA mammal whose young develop mostly in a pouch, like a kangaroo
- Placental mammalTermA mammal whose young develop inside the mother before birth
- AngiospermTermA flowering plant
- MycologyTermThe study of fungi
- BotanyTermThe study of plants
- ZoologyTermThe study of animals
- MicrobiologyTermThe study of microscopic organisms
- EntomologyTermThe study of insects
- OrnithologyTermThe study of birds
- HerpetologyTermThe study of reptiles and amphibians
- IchthyologyTermThe study of fish
- MammalogyTermThe study of mammals
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