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A common characteristic found among the crustaceans is…

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BIOLOGY

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A common characteristic found among the crustaceans is the possession of…

A. a pair of antennae

B. a pair of walking legs on each segment

C. four pairs of walking legs on the cephalothorax

D. two pairs of antennae

QUICK ANSWER…

D

DETAILS…  

Crustaceans are members of a class of aquatic arthropods with hard shells or crusts and several pairs of legs. Examples are crabs, shrimps, crayfish, lobsters and barnacles.

Now for the right answer to the above question:

  1. Option A is incorrect; crustaceans do not have just one pair of antennae; they have two pairs instead.
  2. Option B is also incorrect. Crustaceans have a pair of appendages on each segment, but these appendages are not walking legs, they are for swimming.
  3. C is incorrect; some crustaceans have four pairs, others have as much as five pars of walking legs on the thorax.
  4. D is the correct answer; all crustaceans have two pairs of antennae.

QUICK TIPS…

You may please note that:

  • Crustaceans may slightly differ in other features, however they all have one feature in common, two pairs of antennae.
  • Two pairs of antennae mean four antennae (two per pair).

Use the questions and answers session to raise further questions and deal more on this topic…

/ culled from 2016 JAMB-UTME biology past question 43 /

A common characteristic found among the crustaceans is... » QuizTablet
A common characteristic found among the crustaceans is... » QuizTablet

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