arthropod – jointed foot. there are 6 types of invertebrates:...
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Arthropod – Jointed Foot
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There are 6 types of invertebrates:There are 6 types of invertebrates:
SpongesSponges
CnidariansCnidarians
WormsWorms
MollusksMollusks
ArthropodsArthropods
EchinodermsEchinoderms
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ArthropodsArthropods
An Arthropod is an invertebrate with an An Arthropod is an invertebrate with an exoskeleton, segmented body and jointed exoskeleton, segmented body and jointed legslegs..
There are 4 Sub Phylum'sThere are 4 Sub Phylum's1. Crustaceans1. Crustaceans
2. Spiders, Scorpions, Ticks and Mites2. Spiders, Scorpions, Ticks and Mites
3. Centipedes and Millipedes3. Centipedes and Millipedes
4. Insects4. Insects
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And one Class that is Extinct…And one Class that is Extinct…
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All Arthropods have an All Arthropods have an ExoskeletonExoskeleton
An exoskeleton is a An exoskeleton is a hard outer coveringhard outer covering..
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MoltingMolting
When they When they grow too biggrow too big for their for their exoskeletons arthropods will molt – or exoskeletons arthropods will molt – or shed their skin and grow a new one.shed their skin and grow a new one.
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Segmented BodiesSegmented Bodies
All Arthropods have segmented bodies. All Arthropods have segmented bodies. Usually in Usually in 2 or 3 segments2 or 3 segments..
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Sub Phylum MyrapodsSub Phylum Myrapods
Class Chilopods :Class Chilopods :CentipedesCentipedes one pairone pair of legs on each of legs on each segment, segment, capture preycapture prey with with poison and claws and live in poison and claws and live in dark warm places.dark warm places.
Class Diplopoda :Class Diplopoda :MillipedesMillipedes two pairtwo pair of legs on each of legs on each segment, segment, eat plantseat plants, no claws , no claws and live in dark warm places.and live in dark warm places. Giant Millipe
de
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Other Characteristics of ArthropodsOther Characteristics of Arthropods
Arthropods have segmented bodiesArthropods have segmented bodies
Compound eyesCompound eyes
Jointed legsJointed legs
Hearts that pump blood thru their bodiesHearts that pump blood thru their bodies
Reproduce sexuallyReproduce sexually
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Sub Phylum CrustaceanSub Phylum Crustacean
A crustacean is an arthropod that has a hard, exoskeleton, two pairs of antennae, and a mouthparts for crunching and grinding.
Examples: Crab, Lobsters, Barnacles and Shrimp
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Sub Phylum Sub Phylum ArachnidsArachnids
Spiders, Scorpions, Ticks and MitesSpiders, Scorpions, Ticks and Mites Have 8 legsHave 8 legs Have a body divided into two parts…Have a body divided into two parts…
Head and CephalothoraxHead and Cephalothorax
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SpidersSpiders
Eat bugs or small invertebrates (birds, mice)Eat bugs or small invertebrates (birds, mice)
Can make webs out of silk spinning Can make webs out of silk spinning spinneretsspinnerets
Spiders bite and poison their prey Spiders bite and poison their prey
Breath through Breath through book lungsbook lungs Worlds biggest spider
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Subphylum Subphylum UniramiaUniramia
• There are more kinds of insects than there are all other animal species all together.
• There could be times as many 300 million insects as humans on Earth
• Their bodies are divided into three parts. Head, thorax and abdomen.
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Subphylum UniramiaSubphylum Uniramia
Insects have Insects have six legssix legs..
When insects change their appearance When insects change their appearance dramatically it’s called dramatically it’s called metamorphosismetamorphosis..
There are two types of metamorphosisThere are two types of metamorphosis CompleteComplete IncompleteIncomplete
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Complete MetamorphosisComplete Metamorphosis
In complete metamorphosis, insects like butterflies and moths have four stages of development.
Metamorphosis Video
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Incomplete MetamorphosisIncomplete Metamorphosis
Incomplete metamorphosis happens in grasshoppers, termites, and dragonflies.
Young look like adult, keep growing and molting into adults.
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Incomplete metamorphosisIncomplete metamorphosis
Giant Waterbug Lifecycle
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Match with book OrdersMatch with book Orders
Find the order names from the list of insects Find the order names from the list of insects below. Pg 762below. Pg 762
MothMoth BeeBee FleaFlea
BeetlesBeetles MayfliesMayflies AntsAnts