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?
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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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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