🔬general biology i review

Apoda

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Apoda is an order of limbless, burrowing amphibians commonly known as caecilians. They are characterized by elongated, worm-like bodies and are mostly found in tropical regions.

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5 Must Know Facts For Your Next Test

  1. Apoda lack limbs and have a body structure adapted for burrowing.
  2. They possess small eyes which are often covered by skin or bone, rendering them nearly blind.
  3. Caecilians have a unique sensory tentacle between their eyes and nostrils used for detecting chemical cues in their environment.
  4. Their reproduction can be either oviparous (egg-laying) or viviparous (live-bearing), with some species exhibiting parental care.
  5. Apoda are primarily found in moist, tropical environments across South America, Africa, and Southeast Asia.

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