Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
Insects - Online Essay

Insects


are neumerout invertebrate animals that belong in the Phylum Arthropoda
and Class Insecta. The class Insecta is divided into 2 subclasses: Apterygota,
or wingless , and Pterygota, or winged . Subclass Pterygota is
futher divided on basis of metamorphosis. that have undergone incomplete
metamorphosis are the Exopterygota. Insects that undergo complete metamorphosis
are the Endopterygota.

Insects have an outer bilateral exoskeleton to which the muscles are attached
to and provides protection for internal organs. The body is divided into 3 main
parts which are the head, which include mouthparts, eyes, and antennae; thorax,
which operate the jointed legs and /or wings; and abdomen, which ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

The nervous system consists of a
brain receiving information from eyes, antennae, and controls the whole body and
2 nerve cords containing ganglia fused together to control activities of the
segment without the help of the brain. insect muscular system is made up of a
few thousand samll but string muscles allowing the insect to carry objects
heavier than it. The digestive system is basically a long tube where food enters
the mouth to the crop where it is stored, gizzard where it is grinded, stomach
where it is digested, then the undigested parts and wastes are moved to the
intestine, colon then released at the anus. And in the reproductive system, a
new individual is produced sexually when the female eggs produced in the ovaries
united with male sperm produced in the testes.

Both man and insect live almost everywhere, eat all kinds of food, and use all
kinds of materials to build homes so they constantly live in conflict. Some
insects seriously affect man's health and are ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.


Already a member? Login


CITE THIS PAGE:

Insects. (2008, August 2). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Insects/87717
"Insects." Essayworld.com. Essayworld.com, 2 Aug. 2008. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/Insects/87717>
"Insects." Essayworld.com. August 2, 2008. Accessed December 23, 2024. http://www.essayworld.com/essays/Insects/87717.
"Insects." Essayworld.com. August 2, 2008. Accessed December 23, 2024. http://www.essayworld.com/essays/Insects/87717.
JOIN NOW
Join today and get instant access to this and 50,000+ other essays


PAPER DETAILS
Added: 8/2/2008 09:03:00 PM
Category: Science & Nature
Type: Premium Paper
Words: 458
Pages: 2

Save | Report

SHARE THIS PAPER

SAVED ESSAYS
Save and find your favorite essays easier

SIMILAR ESSAYS
» The Importance Of Insects
» Bats
» Endangerd Species
» Fungus
» Plan And Purpose (Creation) Or ...
» Endangered Species
» All About Ants (almost)
» How The Sense Of Smell Works
» The Geologic Time Scale and a B...
» Effects Of Excessive Pesticide
Copyright | Cancel | Contact Us

Copyright © 2024 Essayworld. All rights reserved