Gudgeon
发表于 2025-3-28 16:18:34
The Orthopteroid Ordersthoptera, and Zoraptera. Members of these orders can be distinguished from other exopterygotes by the following features: generalized biting mouthparts, wing venation usually well developed with numerous crossveins (though less netlike than that of Paleoptera), c
危机
发表于 2025-3-28 21:26:24
The Hemipteroid Ordersecialized, usually suctorial, mouthparts; small anal lobe in hind wing; wing venation reduced; cerci absent; few Malpighian tubules; and ventral nerve cord with few discrete ganglia. On the whole, the hemipteroid group is more homogeneous than the orthopteroid group, although two evolutionary lines
REP
发表于 2025-3-29 01:26:44
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牙齿
发表于 2025-3-29 05:53:08
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暂时中止
发表于 2025-3-29 08:27:04
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LAIR
发表于 2025-3-29 11:37:27
Nervous and Chemical Integrationally and thus to develop and reproduce at the maximum rate. The adjustments they make may be immediate and obvious, for example, flight from predators, or longer-term, for example, entry into diapause to avoid impending adverse conditions. The nature of the response depends, obviously, on the nature
transient-pain
发表于 2025-3-29 15:47:46
Muscles and Locomotionvoidance of unsuitable conditions. Insects, largely through their ability to fly when adult, are among the most mobile and widely distributed of animals. Development of this ability early in the evolution of the class has made the Insecta the most diverse and successful animal group (see Chapter 2).
Biomarker
发表于 2025-3-29 20:06:39
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Exposition
发表于 2025-3-30 03:09:41
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音的强弱
发表于 2025-3-30 05:12:10
The Circulatory Systemork of conducting vessels as, for example, in vertebrates, but flows freely among the body organs. An open system results from the development, in evolution, of a hemocoel rather than a true coelom. A consequence of the open system is that insects have only one extracellular fluid, hemolymph, in con