Editing Invertebrate

[[Category: Biology]]
== Explanation ==
Invertebrates are the type of [[animal]]s that evolved without the [[vertebral column]]. The most common examples of invertebrates are the [[insect]]s, [[worm]]s, and some marine animals like [[crab]]s and [[star fish]]es. They also lack a [[skeleton]] made up of [[bone]]. Instead of a vertebral skeleton, the invertebrates possess [[exoskeleton]]s and outer shells. Insects, being the largest class of invertebrates accounts for about 80 percent of the total species on [[Earth]] approximately.

== Frequently Asked Questions ==
== How do invertebrates respond to stimuli? ==
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