Zoology quiz

More questions about Zoology

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Which marine animal species features males giving birth to live young?

   Answer: seahorse

   Why: The female deposits the eggs, the male fertilises them inside his pouch, and pregnancy runs ten days to six weeks depending on the species.

2. 2 Medium

   Which amphibian can regrow its limbs, spinal cord, and heart?

   Answer: axolotl

   Why: Axolotls heal without scarring, so a severed spinal cord rebuilds its nerve links and a lost limb grows back complete with bone and muscle.

3. 3 Hard

   Which 'immortal' jellyfish can revert its cells back to childhood?

   Answer: Turritopsis dohrnii

   Why: Starvation or injury collapses the bell into a cyst that settles and grows into polyps, whose buds later release brand new medusae.

4. 4 Easy

   Which animal has fingerprints almost identical to a human's?

   Answer: koala

   Why: Anthropologist Maciej Henneberg described the ridges in 1996, yet Australian police say no koala print has ever been mistaken for a human one.

5. 5 Medium

   Through which tiny body openings do insects breathe?

   Answer: Spiracles

   Why: Spiracles connect directly to tracheal tubes, delivering oxygen across the body without using blood cells.

6. 6 Hard

   The horn of a narwhal is actually which type of tooth?

   Answer: canine

   Why: A 2012 study of 131 narwhal specimens settled the debate: the tusk is the left upper canine, and it always spirals counterclockwise.