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Spiders (BL)

Key Information

Spiders

Species 50,356 known species
Diet Carnivore
Length 0.015 to 12 in
Lifespan Up to 1 to 2 years (not including tarantulas
Classification Arthropoda > Arachnida > Araneae
Conservation Status Varies
Habitat A variety of habitats

Learning Point

  • Spiders are a group of arachnids that vary greatly in body shape and abilities. Many create webs, and their webs are designed for a variety of uses, and to catch prey in different ways.

Project

  • Draw an orb-weaving spider making its web.

Location

Places Worldwide except Antarctica

Fun Facts

  • While most spiders are carnivorous, some spiders eat plants and nectar, and at least one species is a herbivore.
  • Spiders have eyesight better than most insects.
  • Not all spiders have eight eyes, some having six, four, two, or even none.
  • Spiders have been found in amber from the Cretaceous period.

Past Lessons

6 July 6, 2026 (North America)
No Past Lessons

Upcoming Lessons

No Upcoming Lessons