What is a tree?
The part of a tree that anchors a tree in the ground
Roots
The set of changes a tree goes through
Life cycle
A tree's age can be figured out by these
Rings
This is the stage in the life cycle that a tree can be pollinated
Mature tree
Trees are helpful to humans becuase they use carbon dioxide and give us
Oxygen
Carries water and nutrients to the branches and leaves
trunk
The length of time a tree lives
Life Span
Forests, swamps, mountains, deserts
Habitats
Broadleaf trees grow colorful flowers called _______________ and these are pollinated
blossoms
The biggest threat to trees
humans
These trees have needlelike leaves
Conifers
This has a woody stem
Sapling
The name for trees that shed their leaves for a season to help save energy
Bees and different types of animals are conisdered __________________for broadleaf trees
Pollinators
A product that comes from trees
Nuts, cocoa, maple syrup, paper products, wood
An apple tree and oak tree are examples
A seed that has grown a tiny root and stem
Seedling
This type of conifer can get to be very old and tall
Redwood trees
This helps conifers with pollination
The wind
Pollution can cause this harmful type of precipitation
Acid Rain
This process takes place in the leaves and uses carbon dioxide
Photosynthesis
A seed contains a tiny unformed tree called
Embryo
The trees that are first to form in a forest are
Pioneers
This is what a pollinated seed eventually turns into
A fruit
This is what it is called when large areas of forest are cut down for using the land
Clear-cut