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Because they were containing an eight-limbs or eight-legs

therefore;

The six-legged species were been enough to call as insects

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Wiki User

10y ago
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Wiki User

14y ago

One reason is that insects have two antennae. Spiders do not. Spiders are classified as arthropods.

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Maxwell

Lvl 6
3y ago

Because unlike all insects, spiders have 8 legs instead of 6. They also lack antennae and wings and compound eyes.

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Q: Why aren't spiders considered insects?
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Related questions

Do spiders and insects have the same body parts?

No they might be bugs but they seriously arent the same.


Are spiders and scorpions considered Insects?

Spiders and scorpions have hard external bodies like insects but they are not insects. They are both arachnids and are related to insects. Scorpions and spiders have four sets of legs and insects have only three sets of legs.


Is a spiders an insect?

No. Spiders are not insects. Insects are not spiders.


Are spiders are insects?

No. Fishing spiders are hunting spiders of the genus Dolomedes.


What looks like an insect but is not?

Spiders. They're considered arachnids, not insects.


What are spiders' diet?

I think that there are insects that the Spiders eat.


Is a garden spider an insect?

No. Spiders are not insects. Insects are not spiders.


Are both grasshoppers and spiders insects?

No. Spiders are Arachnida not insects


What does ray spiders eat?

Rain spiders are an arboreal type of spider, sometimes considered to be tarantula.. They prey on insects such as moths, cockroaches and crickets. Also the larger spiders will eat geckos and lizards.


Do some insects eat spiders?

no some insects do not eat spiders


How are insects and spiders different?

Spiders have 8 legs and insects have 6. Spiders are under the Arachnids column and insects are under the insects column. Spider's don't have feelers (antennae) and insects do. Those are the most common differences between spiders (arachnids) and insects.


Why are slugs and spiders not insects?

All insects are animals. However, a spider is not an insect. Spiders are in a class called Arachnids. All insects have a pair of antennae, 6 legs, and 3 main body parts (tagmata): the head, thorax, and abdomen. Spiders have no antennae, 8 legs, and 2 tagmata: the cephalothorax and the abdomen.