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Bio Classification

TermDefinition
Kingdom Animalia Largest kingdom; contains sponges, insects, clams, fish, and many others
Biological classification The system of organization for living organisms
Aristotle He developed the first classification system; it had two categories - plants & animals
Linneaus He developed the classification system still used today; he also created binomial nomenclature
Binomial nomenclature The two-word naming system created by Linneaus to give unique names to each species of organism
Scientific name The two-word name for each living organism that includes the genus and species
Kingdom The second largest group of the classification system;
Phylum The unit of the classification system that divides kingdoms into smaller groups
Genus The first part of a scientific name in binomial nomenclature; written in italics with a capital letter
Species The second part of a scientific name; written in italics and all small letters; describes something about the organism
Domain Archaea The domain that contains the ancient bacteria; organisms are prokaryotes
Domain Bacteria The domain that contains the true bacteria; contains Salmonella & Streptococcus;
Domain Eukarya The domain that contains all eukaryotes; Kingdom Protista, Fungi, Plantae, & Animalia
Kingdom Archaebacteria Prokaryotic kingdom of ancient bacteria; found in extreme environments
Kingdom Eubacteria Prokaryotic kingdom of true bacteria; contains species that can be both helpful & harmful
Kingdom Protista Eukaryotic kingdom of unicellular and simple multicellular organisms; contains algae & amoeba
Kingdom Plantae The kingdom of multicellular organisms which are autotrophic, do photosynthesis, & have cell walls made of cellulose
Division Bryophyta Green plants that are nonvascular; reproduce by spores; have rhizoids instead of roots; the mosses
Radial symmetry Type of body shape that can be divided like a wheel
Invertebrates Animals without a backbone
Non-vascular Plants which have no system of veins to transport food and water
Phylum Nematoda Largest group of worms; bilateral symmetry; first phyla to have two body openings; roundworms
Phylum Cnidaria Organisms with radial symmetry; kill their prey with stinging cells; includes jellyfish, coral, and anemones
Division Pterophyta Seedless vascular plants; reproduce by spores; young plants are called fiddleheads; the ferns
Phylum Annelida Segmented worms with bilateral symmetry; round bodies; includes leeches, earthworms, & polychaetes
Asymmetry A body shape with no particular pattern
Phylum Porifera Asymmetrical; lack true tissues & organs; most primitive animal phylum; includes sponges
Vertebrates Animals with a backbone
Phylum Chordata Vertebrates; have a nerve cord; endoskeleton; includes amphibians, reptiles, fish, birds, and mammals
Division Coniferophyta Plants with roots, stems, needle-like leaves, and seeds in cones
Bilateral symmetry A body shape which can be divided into two identical halves
Phylum Mollusca Soft bodies with hard shells; invertebrates; a mantle covers the body; includes squid, clams, oysters, and snails
Vascular Plants with a system of veins to transport water, food, and minerals
Phylum Echinodermata Invertebrates with radial symmetry; spiny skins and tube feet; includes sea stars, sea urchins, & sand dollars
Division Anthophyta The largest group of plants; have roots, stems, leaves, flowers, fruits & seeds
Phylum Platyhelminthes Primitive worms with flattened bodies; one digestive opening; and bilateral symmetry; includes planaria, flukes, & tapeworms
Phylum Arthropoda Invertebrates with jointed bodies, exoskeletons, & pairs of jointed appendages
Created by: nbiegel