Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Planarias can divide
asexually by transversal due
to the regeneration capability of
tissues. When they to a
substrate can induce a
in their middle and the body
then separated into parts and each
these parts gives to a new
as tissue regenerates.