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Biology-Related Homework Help General Biology Topic started by: jemviernes on Nov 19, 2014



Title: Insects are the most diverse group of organisms, in terms of numbers of species,
Post by: jemviernes on Nov 19, 2014
Insects are the most diverse group of organisms, in terms of numbers of species, dominating terrestrial habitats. More than 30 orders of insects have been described, with the order Coleoptera being the largest. Classification is based on traits such as wings and mouthparts. All insects have a three-part body plan consisting of a head, thorax, and abdomen; three pairs of walking legs; and one or two pairs of wings. The chart below indicates defining characteristics for eight of the more than 30 orders of insects.
Complete the chart by following these steps:
Drag blue labels onto blue targets only to identify wing characteristics.
Drag white labels onto white targets only to identify the type of development.
Drag pink labels onto pink targets only to identify examples of insects in each order.


Title: Re: Insects are the most diverse group of organisms, in terms of numbers of species,
Post by: bio_man on Nov 19, 2014
See if this helps:

A. hard forewings protect membranous hindwings
(Coleoptera, Wing characteristics)

B. hindwings reduced to stabilizers
(Diptera, Wing characteristics)

C. wings have scales
(Lepidoptera, Wing characteristics)

D. hairy wings
(Trichoptera, Wing characteristics)

E. complete metamorphosis
(Hymenoptera, Type of Development)

F. incomplete metamorphosis
(Orthoptera, Type of Development)

G. flies
(Diptera, Examples)

H. "true bugs"
(Hemiptera, Examples)

I. butterflies, moths
(Lepidoptera, Examples)

J. caddisflies
(Trichoptera, Examples)