Get Spider Are Not Insects As Many People Believe Form

Background Information: Teacher should know that there are some similarities between arachnids and insects. Both have jointed legs and a hard skeleton covering their bodies. The teacher should also know that other than spiders, scorpions and horseshoe crabs are included in the arachnid family.

Insects have only six legs. ... Unlike insects, arachnids have eight legs and no antennae, and their body is divided into two main segments: a cephalothorax and abdomen.

Scorpions are animals in the order Scorpiones, under the class Arachnida, which makes them a distant cousin of spiders. ... Scorpions have two body segments while insects have three. Scorpions do not possess antennae and never develop wings a fact that many people appreciate. Scorpions do not possess antennae.

Both spiders and insects are invertebrates, but spiders are not insects. Insects have a head, thorax and abdomen, and the thorax has three pairs of legs. ... Animals that share these characteristics include ticks, mites, scorpions and spiders. The group is called the Arachnida."

All arthropods have an exoskeleton and jointed legs. They have segmented bodies and appendages, which are divided into different segments. Both insects and arachnids are also invertebrates, meaning they don't have a spine. They also share multi-faceted eyes that let them see in many directions at one time.

The Phylum Arthropoda contains creatures that have a skeleton on the outside and jointed legs. You have seen many of the members such as spiders, centipedes, millipedes, flies, beetles, and crabs. This Phylum is split into different Classes and spiders, insects, centipedes and millipedes all have their own.

Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms.

However, spiders and insects do share some common features. They both have a hard skeleton, called an exoskeleton. They both have a segmented body. They both have jointed legs.