Beta: checked automatically; a teacher review is coming.
Keys: Space flips, ← → move, 1 still learning, 2 know it.
Thecodont, diphyodont, heterodont?
Tap the card to see the answerClick the card or press Space to see the answer
0 known · 0 still learning
Essential cookies keep the site working. With your OK we also use cookieless analytics. Cookie policy
