An insect with a pair of hard and soft wings, a gnawing mouth apparatus and a two-chambered heart in an animal.
| February 26, 2021 | education
The gnawing mouth apparatus is the original (most ancient) type of mouth apparatus. The presence of soft and hard wings is inherent in the order of Coleoptera (beetles) and, in part, Hemiptera. All specified characteristics indicate that the problem describes a cockroach.
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