The tough outer casing of a tree BARK
The greatest danger to a forest FIRE
This type of tree grows in colonies and has interlocking root systems ASPEN
This tree's leaf is the symbol of Canada MAPLE
The system with which a tree gets water and nutrients ROOTS
Everything on Earth needs this to survive - even cacti WATER
The __ Rainforest is the largest in the world AMAZON
Part of a tree that grows off the main trunk BRANCH
__ received enlightenment under the Bodhi tree BUDDHA
Where trees grow wild FOREST
These change color and fall off as the seasons change on some trees LEAVES
Legend says he pondered gravity while observing an apple tree NEWTON
__ is the practice of cutting down trees for lumber LOGGING
Fruit trees often grow in an __ ORCHARD
The California __ is one of the tallest species of trees in the world REDWOOD
Trees provide __ and homes for wild animals and birds SHELTER
This author wrote about talking and moving trees like Ents & Huorons TOLKIEN
A __ willow has long branches that trail towards the ground WEEPING
Trees that bear cones are called this CONIFERS
An __ is a botanical garden where various trees can be seen ARBORETUM
__ is another term for hardwood trees like oak, maple & alders BROADLEAF
__ trees lose their leaves once a year DECIDUOUS
Another word for a fir tree EVERGREEN
The Tree of __ of Good and Evil is in the book of Genesis KNOWLEDGE
The German word for a Christmas or fir tree TANNENBAUM
These tell you how old a tree is GROWTHRINGS
Trees convert this gas into oxygen CARBONDIOXIDE
Term for the total removal of trees by cutting and/or burning DEFORESTATION