Tap the odd one out

Exercise and reference answers

Questions

1. Items

   1. Amoeba
   2. Hydra
   3. Tiger
   4. Planaria

   Reason

   Tiger reproduces only sexually; the others show asexual reproduction.

   Odd item

   Tiger

2. Items

   1. Artery
   2. Vein
   3. Capillary
   4. Neuron

   Reason

   A neuron is a nerve cell; the others are blood vessels.

   Odd item

   Neuron

Instructions

Tap the odd one out.