Chapter 34 -7 Flashcards

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1
Q

What is the study of insects?

A

entomology

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2
Q

Which class is the most numerous animal on earth due to number of eggs & flight?

A

insecta (over 800,000)

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3
Q

Why do insects have success?

A

genetic variation & adaptive radiation from large number of eggs

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4
Q

What animals were first to fly?

A

insects - metamorphosis contributes

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5
Q

What is the insects body divided into?

A

head - sensory & food input
thorax - leg & wing muscles
abdomen - digestion, respiratory spiracles, & reproduction

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6
Q

What are the 5 major orders of insecta?

A
Coleoptera
Lepidoptera
Hymenoptera
Diptera
Orthoptera
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7
Q

What does the order coleoptera consist of?

A

beetles 500,000 species

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8
Q

The japanese beetle has success due to?

A
protective cover over wings - calyptera
wings
strong muscular legs
many eggs
metamorphosis
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9
Q

What does the order lepidoptera consist of?

A

butterflies & moths 140,000 species

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10
Q

Difference between butterflies & moths?

A

butterflies feed during day & hold their wings vertical over their body at rest
moths are nocturnal and hold their wings horizontal

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