Term
| what are the common characteristics of arthropods |
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Definition
>jointed appendages
>body of repeated segments
>exoskeletons ( composed of chitin)
>tagmatization- fusion of segments for a common purpose |
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Term
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Definition
( example spiders)
1. chela- claw
2. body composed of 2 tagmata
- cephalathorax and abdomen
3. 4 pairs of legs, chelicerae ( appendages which host fangs, pedipalps ( sensory appendages)
4. suck liquid from prey |
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Term
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Definition
( example ticks and mites)
1. fused cephalathorax and abdomen
2. mouth parts on projection called capitulum
3. chelicerae which manipulate food |
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Term
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Definition
1. have antennae
2. elongated bodies of many segments ( head and trunk tagmata)
3. 1 pair of legs per segment
4. millipedes have 2 pairs of legs per segment |
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Term
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Definition
1. mostly aquatic
2. breather with gills
3. cephelathorax and abdomen
4. often have dorsal canapace
5. appendages split @ the end
6. head appendages composed of antennae, mandibles, and maxillae |
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Term
| Why are insects successful |
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Definition
1. reproductive power- short reproductive cycles and maturation which yeild large broods
2. metamorphasis allows survival in difficult conditions and prevents offspring/parent competition
3. wings for travel to disperse and flee from hostile situations
4. small size allows for habitation in habitats unused by other organisms
5. defense mechanisms, active and passive |
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Term
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Definition
| predacious dragonflies, toothed mandibles |
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Term
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Definition
| stick insects, large bodies, compound eyes, long slender legs and bodies ( in some species) |
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Term
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Definition
| mantises, spiked fore legs, predatory, mandibles |
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Definition
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Term
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Definition
| grass hoppers, crickets, stridulation ( produce sounds with legs), large hind legs |
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Term
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Definition
| aphids, cicadas, mandible and maxillae housed in labium which acts as beak to pierce and suck from plants |
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Term
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Definition
| beetles ( sheltered wings) |
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Term
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Definition
| flies, 2 wings only, have halteres instead of 2nd wing set |
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