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Gr 6 Sc Ch 2.1-2.6
Gr 6 Science
| Term | Definition |
|---|---|
| classification | the process of arranging things into groups according to their similarities |
| scientific name | the name of a plant or animal, consisting of the genus name and the species name |
| vertebrates | animals with backbones |
| invertebrates | animals without backbones |
| arthropods | invertebrates that have 1 ) external skeletons, 2) jointed appendages, and 3) segmented bodies |
| exoskeleton | a strong, lightweight outer skeleton made mostly of protein and chitin that provides the arthropod with protection, strength, and support |
| chitin | a tough material that helps make up an arthropod's external skeleton |
| antennae | a part of an insect that helps it feel, hear, and taste |
| spiracles | the tiny opening in the insect's abdomen through which air enters the breathing tubes |
| metamorphosis | change in form |
| complete metamorphosis | a type of metamorphosis in which an insect goes through the stages of 1) egg, 2) larva, 3) pupa, and 4) adult |
| incomplete metamorphosis | a type of metamorphosis in which an insect goes through the stages of 1) egg, 2) nymph, and 3) adult |
| molt | the process in which an insect sheds its exoskeleton during growth |
| entomologists | scientists who study insects |
| nocturnal | active at night |
| arachnids | arthropod class which includes spiders, harvestmen, scorpions, tics, and mites |
| cephalothorax | the body region of a spider that is like a head and thorax combined |
| setae | sensitive hairs found on a spider's body that give the spider its sense of touch |
| book lung | the breathing organ of a spider made up of several thins sheets of tissue filled with blood vessels |
| ballooning | the method by which young spiders sail through the air on silk strands that carry them away from their place of birth |
| spinnerets | tubelike structures in a spider's abdomen that the spider uses to make silk threads |
| jumping spider | a spider with keen eyesight; pounces on insects |
| Goliath birdeater | the largest tarantula |
| water spider | a spider that lives its entire life underwater in its specially built "house" |
| scorpion | an arachnid with a long tail that has a poisonous needlelike point |
| brown recluse | a poisonous spider recognizable by the dark violin-shaped mark on top of its body and its six eyes grouped in three pairs |
| house spider | a spider that weaves cobwebs in the corners of a house and destroys tiny household pests |
| trap-door spider | a spider that makes a silk-lined trap from a hole in the ground |
| spitting spider | a spider that spits out a pair of strong, sticky threads to catch an insect |
| harvestman | an arachnid with a round body made up of only one section and eight long legs |
| mites | the smallest arachnids |
| funnel weaver spider | a spider that shapes its web like a funnel with the narrow opening pointing toward the ground |
| platform spider | a spider that blankets a small section of the ground with a sheet web |
| tarantulas | the largest spiders in the world |
| fishing spider | a spider that moves easily across the water's surface to catch insects |
| tick | an arachnid that feeds on the blood of living creatures |
| ogre-faced spider | a spider that makes a tiny silk net to catch insects |
| black widow | a poisonous spider recognizable by a red, orange, or yellow hourglass on its abdomen |
| Plant & Animal | the two kingdoms of classification in Linnaeus' system of classification |
| head, thorax, & abdomen | the three body regions of an insect |
| 3 pairs of jointed legs & 1 or more pairs of wings | insects have this many pairs of legs and wings |
| cephalothorax & abdomen | body regions of a spider |
| eight | number of legs a spider has |
| Homoptera | order which includes: aphids, treehoppers, leaf hoppers |
| Orthoptera | order which includes: crickets, grasshoppers, cockroaches |
| Diptera | order which includes: flies, gnats, mosquitoes |
| Hemiptera | order which includes: bedbugs, squash bugs, stink bugs |
| Lepidoptera | order which includes: butterflies & moths |
| Odonata | order which includes: dragonflies & damselflies |
| Hymenoptera | order which includes: bees, ants, wasps |
| Coleoptera | order which includes: all beetles |
| 90% | percentage of arthropods which includes insects |
| pupa | an insect resting in a chrysalis or cocoon as part of metamorphosis |
| genus and species names | two names in Latin or Greek that make the scientific name of an animal |
Created by:
timberswartz05