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Insect Unit

Insect Unit. 4 th Grade. Characteristics of Insects. Arthropods. Insects are _________________ Arthropods have _________________ made of _________. Arthropods have _________________________ (legs). All Insects have THREE (3) PAIRS of legs. All Insects have THREE (3) BODY PARTS .

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Insect Unit

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  1. Insect Unit 4th Grade

  2. Characteristics of Insects Arthropods • Insects are _________________ • Arthropods have _________________ made of _________. • Arthropods have _________________________ (legs). • All Insects have THREE (3) PAIRSof legs. • All Insects have THREE (3) BODY PARTS. • Most Insects have ___________. exoskeletons chitin jointed appendages • Head • Thorax • Abdomen antennae

  3. Grasshopper Group • 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 side two incomplete • Egg • Nymph • Adult

  4. Incomplete Metamorphosis

  5. Dragonfly Group • 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. Aphid thin two straight These insects look like tiny tents when sitting still. All aphids suck juice from plants. above water plants

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

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

  8. Bee & Ant Group Flea Group two • 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. stingers • Fleas do NOT have wings. • Fleas have legs designed for leaping. • Fleas have sucking tubes for eating. wings jaws

  9. Other Arthropods • 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 many feet

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