• There are more than a million known species of arthropods.
  • Arthropods include insects, spiders, lobsters, and centipedes.
  • They range in length from about 1 millimeter to 4 meters (about 13 feet) They have a segmented body with a hard exoskeleton.
  • They also have jointed appendages, which may be used as legs for walking.
  • They are the largest phylum of invertebrates and have a life cycle with sexual reproduction.
  • They lived for at least 200 million years before going extinct.
Select from the frequently asked questions below