Classifying Organisms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| bacteria | small, single-celled organisms with no nucleus
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| dichotomous key | tool used to classify organisms based on two characteristics
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| fungi | kingdom of organisms with a nucleus that get nutrients by decomposing other organisms
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| kingdom | highest level of biological classification
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| protist | kingdom of singel-celled or multicellular organisms that may have characteristics of both plants and animals
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| protozoa | animal-like protist
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| angiosperm | vascular plants that produce seeds from flowers
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| gymnosperm | vascular plants that produce seeds but not flowers
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| nonvascular | plants lacking a water-transport system
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| vascular | plants having a water-transport system
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| amphibians | vertebrates with smooth mosit skin that begin life in water but live part of the time on land
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| cnidarians | invertebrates with radial symmetry, a saclike body, a true mouth, and the ability to digest food
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| invertebrates | animals without a backbone
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| symmetry | matching form on opposite sides of a dividing line
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| vertebrates | animals with a backbone
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| animal | multicellular, require oxygen, eat food, mobile, reproduce sexually
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| plant | multicellular, have tissues and organs, have cell walls and chloroplasts, and make their own food
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| 4 types of gymnosperms | conifers, cycads, ginkgos,gnetophytes
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| bilateral symmetry | a line of symmetry with two identical parts
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| radial symmetry | lines of symmetry that are arranged around a middle point
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| arthropods | have jointed parts, exoskeleton, contain the most species
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| mollusks | soft bodied invertebrate
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| echinoderms | invertebrates with spiny skin
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| sponges | invertebrates that lack tissues, organs and symmetry
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| fish | lay eggs, have gills, bony skeleton
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| reptiles | tough outer skin, lay eggs, scaly waterproof skin
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| birds | have beaks--no teeth, lay eggs, most have feathers, feed babies what they catch
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| mammals | have hair, feed babies milk, have teeth, move to find food
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Created by:
jryan
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