Dragonflies space a team of insects scientists speak to the Odonata. Like all insects they have actually a difficult exoskeleton, made of chitin (pronounced: kite-in) and also proteins. They have six segmented legs and also their body are separated into three main parts: head, thorax and also abdomen.
The easily movable head has two large compound eyes and three straightforward eyes, dubbed ocelli. The antennae are small, when the jaws are large with several sharp teeth. “Odonata” is Greek because that “toothed ones”.
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Classification the DragonfliesKingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Odonata Suborder: Anisoptera (true dragonflies) Suborder: Zygoptera (damselflies)
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All insects breathe with tubes dubbed trachea that enable air to pass straight to your inner tissues, bringing oxygen in and also taking carbon-dioxide out. The trachea open up to the exterior air in ~ holes follow me the thorax and abdomen referred to as spiracles.
Food passes from the mouth come the foregut where it is soil up, then on to the midgut because that chemical breakdown and nutrient absorption. In the hindgut water and minerals are took in and feces room passed out through the anus.
Insects have actually an open circulatory device with a basic heart, a section of ship in the abdomen that pumps hemolymph (insect blood) come the prior of the body. It returns to the abdomen through open sinuses.
The main nervous mechanism is straightforward with a dorsal mind and ventral nerve cord comprise enlargements called ganglia. Each ganglion is like a mini brain controlling nerves within its region of the body.
There space two teams within the Odonata: the true dragonflies (Suborder: Anisoptera) and also the damselflies (Suborder: Zygoptera). Here’s just how to tell lock apart:
3. Shape and Flight: Dragonflies space usually larger and also stouter 보다 damselflies and they fly strongly, out in the open. Damselflies have really slender bodies and also are weaker flyers, generally fluttering close to the floor or by special vegetation.
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