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Feb 8, 2015 · Males have a complex organ called an aedeagus (e-d-A-gus) that functions like a penis. Most insects copulate as you might imagine: the male inserts his organ into the female’s genitalia. Researchers have discovered that male fruit flies feel pleasure when they ejaculate, but it isn’t known whether other insects do. 2
4 days ago · External insect morphology. The Insect Body. The insect body has a hard exoskeleton protecting a soft interior, and the bug anatomy can be divided into four main body parts: Insect Integument. Insect head. Insect thorax. Insect abdomen. Each of these is, in turn, composed of several smaller segments.
The Exoskeleton. An insect’s exoskeleton (integument) serves not only as a protective covering over the body, but also as a surface for muscle attachment, a water-tight barrier against desiccation, and a sensory interface with the environment. It is a multi-layered structure with four functional regions: epicuticle, procuticle, epidermis, and ...
Nov 17, 2022 · Confusing at first, understanding that insects are invertebrates, but not all invertebrates are insects, gives us a whole new outlook on insect evolutionary classification. No, insect species do not have backbones as they are invertebrates. However, they have hard outer shells with spine-like features that aid their survival and day-to-day life.
Large projections are termed spines. These are of multicellular origin. Appendages on the legs of insects, but joint connected, are called spurs. The wings of some insects, like the Lepidoptra, also present large numbers of structures, in addition to normal setae, which are spatulate, or scale-like in shape, and are often highly colored.
This section of the body stores the bug's digestive system, reproductive organs and sting organs (if applicable). The abdomen is a reactive part of the insect body, meaning that it can expand when the insect feeds. The body of an insect is does not mature like the body of a human does. The body of an insect must 'molt' or shed it's skin in an ...
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Phylum: Arthropoda. Subphylum: Hexapoda. Insects don't have spines; they are invertebrates. Insects have segmented bodies. Their bodies are divided three sections - the head, the thorax, and the abdomen. The head has antennae and a pair of compound eyes. Insects have six legs, one pair on each of its three segments. Some insects also have wings.
