Spiders:
- The spider's head and chest are integrated when its abdomen does not split.
- Spiders also do not usually have separate wings or antennae like insects.
- The arachnids belong to a much larger group of arthropods, including insects and crustaceans.
- Spiders and insects are distant ancestors, they are not the same animal.
- However, there are a handful of characteristics that distinguish insects from spiders.
Final answer: Spiders are not insects.