Arthropods

Summary
This lesson introduces creatures that are classified under Phylum Arthropoda.

Objectives
• to identify three different groups of creatures that are arthropods;

• to describe the differences between insects, arachnids, and crustaceans;

• to list some of the creatures that are classified under each group.

Suggested Grades
2nd Grade
3rd Grade
4th Grade
5th Grade

Excerpt
Arthropods are animals that are a part of the Phylum Arthropoda, which means jointed feet. They are known by their jointed limbs and cuticles. An arthropod body consists of segments, and each segment has a pair of appendages. Arthropods are invertebrates, which means that they do not have a backbone or spinal column. There are over one million species of arthropods. The arthropod phylum includes:
1. insects
2. arachnids
3. crustaceans

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