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Kendal Meharg September 2010. Lots of creatures get lumped into the category of creepy-crawlies….. Insects Arthropods Crustaceans Arachnids But what does.

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Presentation on theme: "Kendal Meharg September 2010. Lots of creatures get lumped into the category of creepy-crawlies….. Insects Arthropods Crustaceans Arachnids But what does."— Presentation transcript:

1 Kendal Meharg September 2010

2 Lots of creatures get lumped into the category of creepy-crawlies….. Insects Arthropods Crustaceans Arachnids But what does it mean to be an insect??

3  Six Legs (3 pairs of jointed legs)  A body divided into a head, thorax and abdomen  An exoskeleton  Two antennae

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6  Insects can only have 6 legs No more no less!  Insects must have two antenna  Spiders are arachnids not insects.

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8  Ants fulfill all the requirements of an insect:  Six legs  Body divided into: head, thorax and abdomen  Two antenna  Exoskeleton

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10  Centipedes have too many legs!  There bodies are not divided up into a head, thorax and abdomen  Although they are sometimes grouped into the category of insects; centipedes are arthropods.

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12  Crabs are crustaceans  They have an exoskeleton, however they have more than 6 legs and don’t have antenna

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14  The cockroach had exactly six legs  Its body is divided into 3 parts: head thorax and abdomen  And Cockroaches have an exoskeleton: this is why they crunch and squish when you step on them!!

15 If a creature has:  Six Legs (3 pairs of jointed legs)  A body divided into a head, thorax and abdomen  An exoskeleton  Two antennae Then it’s an Insect!

16  Spider: http://mlguide.blogspot.com/2010/07/spiders-of-baja- baja-califorina-guide.html  Ant: http://wild-facts.com/2010/01/19/wild-fact-894- family-matters-argentine-ants/  Centipede: http://www.desertusa.com/animals/centipede- bites.html  Crab: http://www.provokator.org/articles/study-fiddler- crabs-exchange-sex-survival  Cockroach: http://animals.howstuffworks.com/insects/cockroach. htm/printable


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