Entrance Announcement
MICTE 2080
2080 Magh 07
Lifecycle of honey bee
elcome to eza homeschool academy hi today we're talking about dragonflies dragonflies are some of the oldest insects on earth scientists believe they have lived on earth for millions of years dragonflies are invertebrates more specifically arthropods since they are insects they have six legs a thorax and an abdomen most people know them for their long bodies transparent wings and big eyes [Music] dragonflies live all over the world in warm climates and near water they are carnivores and will eat
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mosquitoes cicadas flies gnats and even other dragonflies a dragonfly has two compound eyes and inside those eyes it has over 30 000 smaller eyes this allows the dragonfly to have an almost 360 degree view of its surroundings their eyesight is almost like a superpower [Music] dragonflies have magnificent wings they have two sets of wings attached to their thorax which allows them to fly in any direction unlike most creatures they can fly sideways and backwards too this ability makes them fantastic
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hunters they are stealthy and will often capture and eat their prey all while flying dragonflies belong to the odaneta group of insects odon is the greek word for tooth while dragonflies don't have true teeth they do have very strong mandibles which aids in capturing prey [Music] dragonflies can be found in a variety of sizes and colors they are some of the most colorful creatures in the insect world let's take a look at the dragonfly's life cycle dragonflies like most insects go through metamorphosis and look very different at
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each stage of life dragonflies start life in an egg that is laid on plants near water or directly in water larvae will hatch from the egg and stay in water for up to one to five years when it is ready it will crawl out of the water and nymphs will emerge after molting as they continue to grow adult dragonflies can live from a few weeks to about one year before dying dragonflies are ectothermic and spend time in the sun to raise their body temperature this time in the sun warms them up and readies them for flying
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dragonflies are awesome creatures and eat a lot they are great for the ecosystem because they eat creatures like mosquitoes and gnats which humans consider pests dragonflies are a source of inspiration for engineers and people have been studying this incredible creature in an effort to make robots that have dragonfly qualities as always thank you for watching tell us what you want to see next email easy a homeschool academy at yahoo.com like and share our videos please subscribe to our channel