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| simple invertebrate animals with radial symmetry and stinging nematocyst cells; ex: jellyfish, coral |
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| groups of animals with no backbone |
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| group of animals with a backbone |
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| group of animals with a dorsal nerve cord and (usually) a backbone |
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| group of vertebrate animals descended from reptiles with feathers, wings, beaks, and endothermy (warm-blooded) |
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| group of vertebrate animals known for hair, mammary glands, and endothermy (warm-blooded) |
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| group of vertebrate animals known for claws, teeth, scaly skin, and ectothermy (cold-blooded) |
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| group of vertebrate animals that reproduces in water, but can live on land |
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| any body part that extends from the main body, usually arms and legs. These are jointed in arthropods. |
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| largest animal phylum characterized by jointed appendages, hard exoskeleton, molting (ecdysis), and segmented body |
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| subphylum of arthropoda; ex: bugs, flies |
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| subphylum of arthropoda, mostly aquatic ; ex: crab, lobster, shrimp, pill bug, barnacle |
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| invertebrate animal phylum characterized by a muscular foot, mantle, and radula; ex: snail, slug, bivalves, squid |
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| invertebrate animal phylum characterized by being bilaterally symetrical as larvae and pentaradially symetrical as adults; ex: starfish, sea cucumbers, sand dollars, sea urchins |
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| invertebrate animal phylum of segmented worms; ex: earthworm, leech |
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| most ancient animal phylum that has no true tissues, ex: sponges |
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| a method of obtaining nutrients by passing water mixed with microscopic pieces of food through tentacles, gills, etc. |
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| invertebrate animal phylum of flatworms, ex: planaria, tapeworm |
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| an example of a platyhelminthe flatworm very often used in high school scientific experiments |
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| invertebrate animal phylum of round worms, ex: C. elegans |
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| land plants with no seeds, flowers or vascular system; reproduce with spores; ex: moss |
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| plants with vascular systems (xylem and phloem), but no seeds or flowers, reproduce with spores; ex: fern |
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| land plants that produce seeds contained in a cone; ex: pine tree |
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| land plants that produce flowers, seeds, and fruit |
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