Insects
Beginning of paper
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
metamorph ....
Middle of paper
.... and to other organs
then enters the ostia openings along the sides of the tube back to the heart.
The respiratory systems carries O2 to cells and takes away CO2 from cells
through branching out to call cells of body. 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 thousan ....
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Word count: 458
Page count: 2 (approximately 250 words per page)