Sgrace7909
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Organisms are classified as insects based on their ________________.

A
Method of reproduction

B
Internal and external structures

C
Natural habitat

D
Form of communication

Respuesta :

Avcad0rable

[tex]\sf{Answer :-}[/tex]

  • B. Internal and external structures

Insects breath through openings in the thorax and abdomen called spiracles but mammals breath through mouth or nose .

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