Question

why are butterfly placed in class insecta whereas scorpions are placed in class arachnida ?​

Answer 1

Answer:

The main difference between the two is that arachnids have eight legs (four pairs of legs) while insects have six (three pairs of legs). ... Another clear difference is that arachnids don't have antennae or wings – all insects, though, have antennae, and also have wings.

Explanation:

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Answer 2

Answer: DUE TO ANATOMICAL DIFFERENCES

Explanation:

Butterfly is placed in class Insecta whereas scorpions are placed in class Arachnida. There are several characteristic differences between insects and arachnids. Mainly there are anatomical differences.

* The body of an insect is divided into three segments: the head, thorax and abdomen. The body of an arachnid is made up of two segments: the cephalothorax and abdomen.

* Insects have six legs while arachnids have eight legs.

* Insects have compound eyes whereas arachnids have simple eyes.

* Insects have antennae while there are no antennae in arachnids.

* Many insects have wings but no arachnid has any wings.

* Insects have mandibles whereas arachnids have chelicerae.

* Insects undergo metamorphosis while arachnids do not change forms.

Hope it helps!

Hope it helps!