Term
Phylum Arthropoda
Who is this?
What habitats do they inhabit?
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Definition
"Jointed foot"
Inhabit marine, fresh, land, air, etc! |
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Term
| What are the common features of Phylum Arthropoda |
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Definition
1. Segmented body w/ regional specialization
2. body segments w. pairs of articulated appendages
3. Exoskeleton made of chitin.
4. Open circulatory system.
5. specialized gas exchange organs |
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Term
| T/F.. all arthropods molt? |
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Definition
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Term
| What type of growth do arthropods go through? |
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Definition
| Descrete growth via exdysis (molting) |
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Term
| Specialized gas exchange organs of arthropods aid in what? |
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Definition
| The diffusion of O2/CO2 in spite of the impermeable exoskeleton. |
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Term
| T/F...although very different, all arthropods are a variation of a basic theme. |
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Definition
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Term
| Subphyla chiliceriformes... who is this? |
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Definition
| Horseshoe crabs, spiders, scorpions, mites.. etc |
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Term
| Common features of subphyla chileceriformes. |
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Definition
chilecera: grinding piercing jaws
2 part body: cephalothorax and abdomen
no antennae
6 pairs of appendages only on cephalothorax
chelicera, pedipalps, 4 pairs of walking legs |
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Term
| Most chelicerates are arachnids.. what are these? |
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Definition
| spiders, scorpions, ticks and mites. |
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Term
| T/F.... scorpions are the most ancient terrestrial artropods |
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Definition
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Term
| The pincer on a scorpion is just a modified... what? |
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Definition
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