Arthropods Word Scramble
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Term | Definition |
tagmatization | specialization of regions of the body for specific functions, as seen in arthropods |
ecdysis | what is the shedding process where the arthropod exoskeleton must be shed to allow growth? |
metmorphosis | having this between larval and adult stages of arthropods reduces competition for resources |
biramous | appendages of trilobites that were divided into two lobes |
meristomata | class that horseshoe crabs belong to |
prosoma | cephalothorax of chelicerates |
digestive organs | what does the chelicerate opisthosoma contain? |
arachnida | spiders, ticks, and scorpions belong to the arthropod class |
arachnids | most zoologists believe that these were the first arthropods to invade land |
book lungs | many arachnids utilize these for respiration, which are believed to be modifications of book gills |
webs | many spiders produce these that are used to trap small arthropods on which they feed |
acarina | the chigger or "red bug" is a member of the arachnid order |
ticks | carry and transmit the bacteria that causes Lyme Disease |
aquatic | the majority of crustaceans are this |
carapace | the portion of the crustacean exoskeleton that covers the cephalothorax |
isopoda | terrestrial crustaceans are quite rare, but terrestrial pill bugs belong to which order |
sessile | adult barnacles are unusual in lifestyle because they are this |
decapoda | crayfish, lobsters, and shrimps belong to which order |
flight | insect dominance in terrestrial environments is due in part to the evolution of this |
diplopoda | millipedes belong to which arthropod class |
scavengers and detritivores | millipedes may be categorized as this |
myriapoda | centipedes belong to which subphylum |
head, thorax, and abdomen | what are the three tagmata of insects |
thorax | the legs and wings of insects are attached to what |
spiracles | the external openings of the respiratory system of insects are what |
uric acid | the primary nitrogenous waste excreted by insects |
malpighian tubules | the excretory organs of insects |
ametabolous | insects in which the larvae appear to be exact miniatures of the adults exhibit what kind of metamorphosis |
nymphs | immature stages associated with hemimetabolous metamorphosis |
butterflies | which insect is holometabolous |
larvae | immature insects undergoing holometabolous metamorphosis are called this because they are bery different from the adult morphology |
isoptera | entirely social order of insects |
caste | each kind of individual in an insect colony |
queens | reproductive females in a social insect colony |
hymenoptera | bees, ants, and wasps belong to which insect order |
lepidoptera | butterflies and moths belong to which insect order |
odonata | dragonflies and damselflies belong to which insect order |
trilobitomorpha | extinct subphylum |
chelicerata | subphylum that is made up of meristomata, arachnida, pycnogonida |
aranea | spiders |
acaria | mites, ticks |
scorpionida | scorpions |
pycnogonida | sea spiders |
crustacea | subphylum that is made up of malacostraca and maxillopoda |
malacostraca | lobster, crab, shrimp |
maxillopoda | barnacles, pill bugs |
hexapoda | subphylum that is made up of insecta |
myriapoda | subphylum that is made up of deplopoda and chelopada |
exoskeleton | provides support and protection, prevention of dehydration, sites for muscle attachment |
chitinous exoskeleton, paired-jointed appendages, growth with ecdysis, pen circulatory system, complete digestive tract | arthropod characteristics |
metamorphosis | reduces competition between stages for food and living space |
chilopoda | class that centipedes belong to |
open | what kind of circulatory system to insects have? |
arthropods | segmented, bilateral body; jointed appendages; exoskeleton; open circulatory system; ventral nerve cord; compound eyes |
versatile exoskeleton; segmentation; oxygen piped directly to cells (terrestrial); highly developed sensory organs; complex behavior; metamorphosis | arthropods' reasons for success |
trulobita | extinct; one pair of antennae; biramous appendages |
chelicerata | no antenna; no mandibles; 4 pair of walking legs; 1 pair of pedipalps |
merostomata | limulus; carapace; telson |
arachnida | 4 pair of legs; some have 2 body segments; most are predators, inject enzymes into prey, suck fluid into pharynx |
araneae | fangs with poison glands; silk glands |
acari | body segments fused |
crustacea | two pair of antennae; biramous appendages |
uniramia | one pair of antennae; uniramous appendages |
chilopoda | one pair of legs per body segment; poison fang; flattened body; carnivores |
diplopoda | two pair of appendages per body segment; cylindrical body; herbivores |
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