Term
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Definition
| Prehistoric time period of oldest arthropod fossil |
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Term
| Marine arthropods – trilobites and sea scorpions |
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Definition
| Most of the arthropod fossil record is made of |
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Term
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Definition
| Prehistoric period when insects began moving on land |
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Term
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Definition
| Prehistoric time period when trilobites went extinct |
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Term
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Definition
| Current dominant marine group of arthropods |
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Term
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Definition
| Components of exoskeleton |
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Term
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Definition
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Term
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Definition
| Process arthropods must undergo to grow |
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Term
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Definition
| Arthropods have more specialized segments than annelids |
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Term
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Definition
| Arthropods do not have septa like annelids |
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Term
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Definition
| All arthropods have ________ appendages |
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Term
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Definition
| Arthropods are highly cephalized |
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Term
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Definition
| Most arthropods have an ______ circulatory system |
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Term
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Definition
| Thick exoskeleton is not permeable to |
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Term
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Definition
| Aquatic arthropods have this for gas exchange |
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Term
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Definition
| Arthropod system used for gas exchange |
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Term
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Definition
| What spiders have for gas exchange |
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Term
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Definition
| Holes of the tracheal system that lead to the outside |
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Term
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Definition
| Arthropod tree based on morphology did not match |
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Term
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Definition
| Insects (Hexapoda) and crustaceans make up a |
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Term
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Definition
| Chelicerates and myriapods make up a |
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Term
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Definition
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Term
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Definition
| Functional group of segments in arthropods |
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Term
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Definition
| Extinct trilobites subphylum |
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Term
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Definition
| Sea scorpions, horseshoe crabs, scorpions, spiders, mites and ticks subphylum |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| "living fossils" changed since Triassic |
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Term
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Definition
| Blood component used in medical field |
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Term
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Definition
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Term
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Definition
| Scorpions, spiders, ticks and mites class |
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Term
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Definition
| What joins the two body regions of Arachnida |
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Term
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Definition
| Number of Arachnida pairs of appendages |
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Term
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Definition
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Term
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Definition
| Abdominal organs in spiders ot spin webs |
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Term
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Definition
| liquefied protein produced by silk glands |
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Term
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Definition
| Organs used in waste secretion that evolved independently in spiders and insects |
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Term
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Definition
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Term
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Definition
| Hypothesized as first arthropod to invade land |
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Term
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Definition
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Term
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Definition
| Blood sucking vertebrate parasites |
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Term
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Definition
| 2nd to mosquitoes as disease vectors |
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Term
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Definition
| Free living and parasitic on vertebrates and invertebrates |
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Term
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Definition
| Centipede and millipede subphylum |
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Term
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Definition
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Term
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Definition
| Number of pairs of legs per segment of millipede |
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Term
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Definition
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Term
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Definition
| Number of pairs of legs per segment of centipede |
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Term
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Definition
| Fast moving predators with poison fangs and one pair of walking legs per segment |
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Term
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Definition
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Term
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Definition
| Number of legs in Hexapoda |
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Term
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Definition
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Term
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Definition
| More than 1/2 species on Earth are |
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Term
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Definition
| Prehistoric time period when insects diversified |
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Term
| Flowering plants (insects came before flowers) |
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Definition
| What is NOT a key to the diversification of insects in Permian? |
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Term
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Definition
| Wings are an extension of what |
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Term
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Definition
| Lobster, crabs, shrimps, copepods, barnacles, etc |
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