Step Characteristics Order Insect has an extremely long prothorax (neck) Go to 2 Insect has a short or no prothorax 1a Go to 3 1b Mantodea 2a Forelegs come together in a "praying" position Raphidioptera Forelegs do not come together in a "praying" 2b position Wings are armor-like with membranous hind За wings underneath Coleoptera 3b Wings are not armor-like 4a Wings are triangular in shape Wings are not triangular in shape and head is Go to 4 Go to 5 Mecoptera 4b elongated Insect lacks a proboscis (long, slender snout) 5a Ephemeroptera and has long filaments at abdominal tip Lepidoptera Insect has a proboscis and lacks long 5b filaments at abdominal tip Based on the dichotomous key, in what order should this insect be classified?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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6. A student examines the winged insect
shown below.
Mantodea
Raphidioptera
Coleoptera
Dichotomous Key
Step
Characteristics
Order
la
Insect has an extremely long prothorax (neck) Go to 2
1b
Insect has a short or no prothorax
Go to 3
Lepidoptera
2a Forelegs come together in a "praying" position
Mantodea
Forelegs do not come together in a "praying"
Raphidioptera
2b
position
Wings are armor-like with membranous hind
За
wings underneath
Coleoptera
Wings are not armor-like
4a Wings are triangular in shape
3b
Go to 4
CLEAR ALL
Go to 5
Wings are not triangular in shape and head is
4b
Mecoptera
elongated
Insect lacks a proboscis (long, slender snout)
5a
Ephemeroptera
and has long filaments at abdominal tip
Insect has a proboscis and lacks long
Lepidoptera
5b
filaments at abdominal tip
Based on the dichotomous key, in what
order should this insect be classified?
Transcribed Image Text:6. A student examines the winged insect shown below. Mantodea Raphidioptera Coleoptera Dichotomous Key Step Characteristics Order la Insect has an extremely long prothorax (neck) Go to 2 1b Insect has a short or no prothorax Go to 3 Lepidoptera 2a Forelegs come together in a "praying" position Mantodea Forelegs do not come together in a "praying" Raphidioptera 2b position Wings are armor-like with membranous hind За wings underneath Coleoptera Wings are not armor-like 4a Wings are triangular in shape 3b Go to 4 CLEAR ALL Go to 5 Wings are not triangular in shape and head is 4b Mecoptera elongated Insect lacks a proboscis (long, slender snout) 5a Ephemeroptera and has long filaments at abdominal tip Insect has a proboscis and lacks long Lepidoptera 5b filaments at abdominal tip Based on the dichotomous key, in what order should this insect be classified?
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