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Phylum Arthropoda-Class Insecta
Monarch Butterfly
Praying Mantis
Fire Ant
Dung Beetle
Lady Bug
House Fly
Characteristics
• 3 body segments-head, thorax and
abdomen
• 6 legs
• 1 pair of antennae
• Usually 1-2 pairs of wings
• Simple brain
• Have a hard exoskeleton-external
skeleton, made of chitin
• When skeleton gets too small, they
molt
Help! I’m molting, molting…oh what a
world!
Facts
• More insect species then all other species of
animal combined!
• Found in nearly all environments on Earth
• Been on Earth for about 400 million years
• Many insects are beneficial-they help pollinate
plants and some even eat other “bad” insects!
Growing up Insect
• All start out as eggs
• Complete metamorphosis- larvae and adults
of these insects are very different looking. Exbutterflies
• Incomplete metamorphosis-the larvae looks
like a smaller version of the adult. Exgrasshopper
Complete
Metamorphosis
Incomplete
Metamorphosis
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