Why do arthropods condtitute the largest group of animal kingdom
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the phylum arthropoda comprises the animals with jointed appendages. it constitutes the largest phylum because over two-thirds of all named species on earth (900,000 species)are there in arthropoda.
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The reasons for arthropods consisting the largest group of the animal kingdom are as follows -
- They have jointed legs, which makes then motile.
- Hard skeleton made of chitin, which protects their body.
- The hard skeleton reduces loss of water from the body.
- They have different system for locomotion, respiration and reproduction.
- They have the capability to survive in diverse conditions and habitats.
- They develop early.
- They have better develop sense organs and nervous system.
- They have pheromones which enable communication.
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