Term
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Definition
| segmented bodies, jointed appendages, exoskeleton |
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Definition
| spiders, mites, ticks, scorpions, and horseshoe crabs. |
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Definition
| spiders, mites, ticks, scorpions. |
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Term
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Definition
| crab, lobster, shrimp, crawfish. |
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Definition
| centipedes, millipedes, insects. |
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Definition
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Definition
| limbs that extend off the main body section of an organism |
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Definition
| tough external covering that protects and supports the body. Made of chitin. |
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Definition
| protein carbohydrates give strength to the exoskeleton |
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Definition
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Definition
| muscle attachment, flexible at the joints |
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Term
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Definition
| multiple lens, multiple images |
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Term
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Definition
| feathery structures that diffuse oxygen from the surrounding waters |
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Term
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Definition
| respiratory organ used by arachnids (spiders). |
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Term
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Definition
| tubes that transport oxygen |
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Term
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Definition
| shedding of its skin covering so it can grow larger |
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Term
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Definition
| modified fangs used for stabbing and paralyzing prey |
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Term
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Definition
| used for communication and to grab prey |
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Term
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Definition
| head and thorax combination |
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Term
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Definition
| covering on the chephalothorax on a crayfish |
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Term
| how many eyes on most spiders? |
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Definition
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Term
| How many legs on a spider? |
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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
| young uses silk to fly away and relocate |
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Term
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Definition
| holes in abdomen attached to the tracheal tubes allows oxygen to enter |
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Term
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Definition
| excretory ORGAN of archanids that extracts waste from circulatory fluid |
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Term
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Definition
| excretory GLAND in some archanids found on the base of some legs discharge wastes. |
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Term
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Definition
| free swimming larvae of crustations |
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Term
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Definition
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Term
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Definition
| paired segments on tail, helps flip tail under so crayfish can move quickly backward |
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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
| maipulate food-respiration |
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Term
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Definition
| jaws for chewing and crushing |
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Term
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Definition
| manipulate food- three pairs. |
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Term
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Definition
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Term
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Definition
| appendages attached to the tail, used to hold eggs during reproductive seasons |
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Term
| what is found in the stomach of the crayfish? |
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Definition
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Term
| what is attached to the crayfish legs and why? |
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Definition
| gills, legs move gills while moving in their environment. Water circulates over gills, providing oxygen. |
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Term
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Definition
| excretory organ that releases excess water |
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Term
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Definition
| cells that contain calcium, regulate the crayfishes equilibrium when its upside down |
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Term
| centipede characteristics |
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Definition
| one pair of legs per segment, flat body, poisonous claw-like appendages, nocturnal, carnivores |
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Term
| millipede characteristics |
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Definition
| two pairs of legs per segment, round body, day-eaters, secrete toxin from skin, herbivore. |
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Term
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Definition
| body divided into three parts, head thorax and abdomen. two pair of wings, three pairs of legs. |
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Term
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Definition
| insects- grinding, 3 mouthparts. |
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Term
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Definition
| a process that changes the shape and forms a new body |
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Term
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Definition
| egg, caterpillar (larvae), caccoon- mouth. pupa creates butterfly. |
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Term
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Definition
| egg, nymph(no wings or reproductive organs in this stage, requires molting), adult. |
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Term
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Definition
| the ability to see signaling (fireflies) |
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Term
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Definition
| pheromone chemicals that affect the behavior and development of an organism |
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Term
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Definition
| a group of related organisms of the same species work together for the benefit of the group |
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Definition
| individuals that are specialized to perform particular tasks or roles |
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Definition
| star fish, urchin, sea cucumber, sand dollars |
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Term
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Definition
| found in the internal skeleton and skin of the echinoderm |
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Term
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Definition
| a network of fluid-filled canals connected to tube feet. uses are: respiration, feeding, movement and excretion |
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Term
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Definition
| small pores on the top surface where water enters |
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Term
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Definition
| canals that extend from the ring canal to the end of each arm transporting water to hundreds of tube feet. |
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Term
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Definition
| a bulb-like sac found o the top of each tube foot where water is forced in and out. |
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Term
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Definition
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Term
| feeding habits of the starfish? how does it eat? |
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Definition
| arms wrap around mollusk, open shell slightly, stomach inverts down into mollusks body. soft body parts are digested, pulls stomach back in. |
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Term
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Definition
| body parts repeat around the center of the body |
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Term
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Definition
| the kind of skeleton found on an Echinoderm, contains stiff plates called ossicles. |
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Term
| regeneration law of a starfish? |
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Definition
| a starfish can regenerate as long as the central disk is attached. |
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Term
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Definition
| found on the end of the radial canal, contain a sucker and muscles that create enormous hydraulic force for making and opening mollusks. |
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