Chapter 34 -7 Flashcards
What is the study of insects?
entomology
Which class is the most numerous animal on earth due to number of eggs & flight?
insecta (over 800,000)
Why do insects have success?
genetic variation & adaptive radiation from large number of eggs
What animals were first to fly?
insects - metamorphosis contributes
What is the insects body divided into?
head - sensory & food input
thorax - leg & wing muscles
abdomen - digestion, respiratory spiracles, & reproduction
What are the 5 major orders of insecta?
Coleoptera Lepidoptera Hymenoptera Diptera Orthoptera
What does the order coleoptera consist of?
beetles 500,000 species
The japanese beetle has success due to?
protective cover over wings - calyptera wings strong muscular legs many eggs metamorphosis
What does the order lepidoptera consist of?
butterflies & moths 140,000 species
Difference between butterflies & moths?
butterflies feed during day & hold their wings vertical over their body at rest
moths are nocturnal and hold their wings horizontal
