Term
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Definition
| anterior portion of spider |
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Term
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Definition
| posterior portion of spider |
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Term
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Definition
| narrow stalk between prosoma and episthosoma |
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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
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Term
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Definition
| number of spider families |
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Term
| mesothelae, mygalomorphae, araneomorphae |
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Definition
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Term
Species-specific signaling traits
Multiple sensory channels
Silk cues elicit male courtship |
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Definition
| Spiders are excellent models for mate choice |
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Term
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Definition
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Term
Protostomate coelomates
Metamerism - compartmentalized coelom
Cuticular exoskeleton
Jointed appendages (paired)
Open circulatory system (hemocoel)
Respiratory system
Well-developed sense organs and CNS
Excretory system (coxal glands and Malpighian tubules)
- Loss of motile cilia as adult/larva |
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Definition
| 9 arachnid characteristics |
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Term
Epicuticle
Procutilce (exo- & endocuticle)
Epidermis |
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Definition
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Term
Absence of antennae
Body in 2 distinct portions (Tagma)
First pair of appendages are adapted for feeding (chelicerae) |
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Definition
| 3 characteristics of chelicerata |
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Term
| pycnogonida, merostomata, eurypterida, arachnida |
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Definition
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Term
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Definition
| A flexible region of the cuticle between sclerotized areas of the exoskeleton of an arthropod; functions as a joint. |
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Term
less hardened procuticle
articular membranes
one plane joints |
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Definition
| 3 good things about arthropod joints |
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Term
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Definition
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Term
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Definition
| lateral portion of exoskeleton |
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Term
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Definition
| ventral plate of exoskeleton |
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Term
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Definition
| A cavity or series of spaces between the organs of most arthropods and mollusks through which the blood circulates |
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Term
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Definition
| two leg segments arachnids have and insects dont |
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Term
| coxa, trochanter, femur, patella, tibia, tarsus, pretarsus |
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Definition
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Term
| protopod, exopod, endopod |
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Definition
| 3 segments of biramous appendagaes |
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Term
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Definition
| juts from exoskeleton to act as a doorstop for joints to lock with little energy |
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Term
| weight, seal/respiration, molting |
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Definition
| 3 bad things about exoskeleton |
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Term
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Definition
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Term
| premolt: new exoskeleton forming old one beken down, molt, post molt: hardening |
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Definition
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Term
| most growth as arthropods fill in new spaces (instar) |
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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
| A derived specialized character |
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Term
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Definition
| Shared by 2 or more groups, the trait derived from a common ancestor |
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Term
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Definition
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Term
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Definition
| A character shared by groups but inherited from and ancestor older than the most recent common ancestor |
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Term
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Definition
| Convergence, traits not shared by common ancestry by similar in structure and function |
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Term
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Definition
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Term
| no respiritory system, proboscis, chelifores, palp, ovigers |
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Definition
| 3 characteristics about pycnogonids |
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Term
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Definition
| horseshoe crab class and genus |
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Term
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Definition
| final segment of arthropods |
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Term
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Definition
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Term
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Definition
| hardened root of appendage used to crush food |
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Term
| with external fertilazation |
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Definition
| horseshoe crabs are the only arthropods... |
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Term
| male v male - female v male |
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Definition
| intrasexual vs intrasexual selection |
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Term
| biomedical:LAL - vision/neuro:model organism - behavior:paternity - ecology:keystone |
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Definition
| 4 reasons to study limuli |
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Term
| fishing, entrapment in artificial wetlands, stranding, habitat destruction |
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Definition
| 4 depletions of horseshoe crabs |
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Term
| declining shorebirds that feed on eggs - worth a lot in research and fishering |
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Definition
| 2 reasons declining limulus is bad |
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Term
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Definition
| elongate setae, present in the arachnids, and various orders of insects, that function in the detection of airborne vibrations and currents |
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Term
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Definition
| Sensory Organs - soil texture, food location, mating, etc.(D. Gaffin) |
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Term
| trichobothria, pectines,lateral and medial eyes,tarsal taste and hmidity organs, slit sensilla (vibration) |
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Definition
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Term
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Definition
| living in dark holes and places (scopions) |
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Term
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Definition
| A symbiotic relationship, especially among arthropods and some fishes, in which one organism transports another organism of a different species |
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Term
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Definition
| 2 sections of scorpion opisthosoma |
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Term
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Definition
| cool thing about pseudoscorpion mouth |
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Term
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Definition
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Term
| gregarious, thanotosis, handshake, territorial 2 cm, suppressed cannibalism, maintained spermatophore mating |
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Definition
| 5ish behavioral idiosyncracies of psuedoscorpionida |
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Term
| shakes female and leads her to spermatophore with silk trail and chemical cues; female keeps eggs attached at genital opening giving nutrients |
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Definition
| 2 cool mating things of pseudoscorp |
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Term
| antenaeform first legs, flagella whip tail, elongated abdomen |
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Definition
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Term
| extremely antenaeform legs and female insert spermatophore in herself |
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Definition
| 2 cool things about amblypygida |
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Term
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Definition
| a defensive gland present in harvestmen, which are eight-legged arachnids also known as "daddy long-legs". These glands, also called "scent glands", "repugnatorial glands", "odoriferous glands" or "stink glands |
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Term
| occassionally parthenogenic, ovipositors and protusible penis!, Defense ozopores, easy autonomization |
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Definition
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Term
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Definition
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Term
| large hairy chelicerae w stridulatory organs - sensory racquet organs |
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Definition
| whats so cool about solafugae |
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