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Bio Classification
| Term | Definition |
|---|---|
| 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
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