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14 Cards in this Set
- Front
- Back
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what is the basic body plan of all arthropods?
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a segmented body, a touch exoskeleton, and jointed appendages
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a tough body wall that protects and supports the body of arthropods is called an....
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exoskeleton
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what is chitin?
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protein and a carbohydrate that make up the exoskeleton
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what are appendages?
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structures such as legs and antennae that extend from the body wall
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T/F: the appendages of arthropods are jointed.
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true
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T/F: Arthropods include herbivores, carnivores, and omnivores.
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true
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tracheal tubes
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network of branching tubes through which arthropods breathe
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spiracles
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small openings on the side of the body through which air enters and leaves tracheal tubes
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book lungs
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layers of respiratory tissue stacked like the pages of a book through which spiders respire
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book gills
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organs through which horseshoe crabs respire
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Malpighian tubules
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sac-like organs that extract wastes from the blood and add them to the feces
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What is true about the response to the environment by arthropods?
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Most arthropods have sophisticated sense organs
All arthropods have a brain. Ganglia along a ventral nerve cord coordinate the movements of individual legs. |
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When do arthropods undergo periods of molting?
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When they outgrow their exoskeleton.
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What occurs in arthropods during molting?
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It sheds its exoskeleton and manufactures a larger one to take it's place.
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