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4 th Grade.  Insects are _________________ ◦ Arthropods have _________________ made of _________. ◦ Arthropods have _________________________ (legs).

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Presentation on theme: "4 th Grade.  Insects are _________________ ◦ Arthropods have _________________ made of _________. ◦ Arthropods have _________________________ (legs)."— Presentation transcript:

1 4 th Grade

2  Insects are _________________ ◦ Arthropods have _________________ made of _________. ◦ Arthropods have _________________________ (legs).  All Insects have THREE (3) PAIRS of legs.  All Insects have THREE (3) BODY PARTS.  Most Insects have ___________. Arthropods exoskeletonschitin jointed appendages Head Thorax Abdomen antennae

3  Includes grasshoppers, praying mantis, crickets and the walking stick.  These insects have ________ that chew from _______ to _______.  These insects have ________ pairs of wings.  Grasshoppers go through________________ metamorphosis. jaws side two incomplete Egg Nymph Adult

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5  Includes dragonflies and damselflies  These insects have ______ bodies shaped like needles.  These insects have ______ pairs of wings.  Their wings usually stick ______________ out from their bodies.  Dameselfies’ wings are held together ___________ the body.  These insects lay eggs in ____________ and on ______________ such as the water lily and cattail. thin two straight above water plants Aphid These insects look like tiny tents when sitting still. All aphids suck juice from plants.

6  These insects have long, ______________ mouth parts, almost like thin miniature _________.  Most bugs have _______, _______ bodies and two pairs of wings. piercing beaks flatoval  Beetles have ______ pair of wings.  The front wings are ________ and usually shiny.  These wings make a shell-like covering. two hard Fly & Mosquito Group These insects have _____ pair of wings. Most of these insects have _____________ mouth parts. Houseflies have ___________ mouth parts. one sucking sponging

7 ______ bodies ___________ antennae Rest with wings _____ Fly during the _______ Develop from a ____________ _______ bodies ______________antennae Rest with wings straight _____ Fly mostly at _________ Develop from a ____________ Thin Slender up day chrysalis Fat Feathery out night cocoon ButterflyMoth

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9  Bees have ______ pairs of wings.  Only female bees have ____________.  Ants look like bees, but only queens and males have__________.  Ants have powerful ________ that can deliver a bite that feels like a sting. two stingers wings jaws Flea Group  Fleas do NOT have wings.  Fleas have legs designed for leaping.  Fleas have sucking tubes for eating.

10  The Arachnids ◦ Spiders, scorpions, daddy longlegs, and ticks are arachnids. ◦ Like all arthropods they have an exoskeleton and jointed legs. ◦ Spiders have _______ pairs of legs. ◦ Spiders have _______ body parts. (the head and thorax are joined seeming to be one part)  The Myriapods ◦ Myriapods means ___________ ___________. ◦ Centipedes and millipedes are myriapods. four two manyfeet


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