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Biramous Appendages are best represented in
A. Insects
B. Crustaceans
C. Annelids
D. Arachnids

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Last updated date: 17th Jun 2024
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Answer
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Hint: The Biramous Appendages is the one where two branches show the divisions. The first portion or the basal portion being present in the biramous appendage is called the protopod. The outer leg or ramous is called an exopod. And, when the branch is located inside, then they are called endopod.

Complete Answer:
1. Insects are specifically those organisms which are called uniramous appendages. That is, they have their legs with only one branch.
2. In the cases of Annelids, we can see the stiff bristle-like structures which are called setae. These hair-like bristles help them to attach to the surface and prevent backsliding during peristaltic motion.
3. Archanida is the class as included in Subphylum Chelicerata. In this category, mainly we can see the spiders and different scorpions, mites, ticks and solifugae.
4. In Phylum Crustacea, biramous appendages can be seen most widely. As we have told before, from the basal protopodites, two branches are exposed, endopodite and exopodite.

So, we can say that Biramous Appendages are best represented in Crustaceans.

Note: In Crustaceans, we can see that they use their appendages for various activities. They include specifically for locomotion, that is walking and swimming. But they have their other works too. They do the works of feeding to their offspring, the activities of grooming, in the work of respiration, to sense any touch or any sensory reception, for reproduction and most importantly, they are used for defence too.