1. What are the main divisions
and representing species of
the gymnosperms?

Gap-fill exercise

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!
This group of plants be divided into
conifers (, sequoia, cypress), that
have known as strobiles
(cones), (very ancient
gymnosperms, like cycads used in
garden , that also form
strobiles), (gnetum) and
ginkgos (the species is Ginkgo
biloba).