Tree Processes
Winter Dormancy
Cells and More
Leaves Etc
Tree Types
100
This substance travels from the roots up through the xylem and phloem that keeps the leaves healthy.

What is water?

100

During fall, deciduous trees do this with their leaves.

What is drop them?

100

These cells carry food and sugars made in the leaves downward and to other parts of the tree.

What are phloem?

100

Maple and oak trees are considered this type, since they drop their leaves in the fall.

What is deciduous?

100

This tree is known for having bark that takes on the appearance of being striped.

What is the striped maple?

200

The food for a tree is made in its leaves and carried by the phloem to the rest of the tree. The food is in the form of these.

What are sugars?

200

Deciduous tress drop their leaves to prevent this.

What is water loss?

200

This thin layer of growth cells just inside the bark is invisible to the naked eye.

What is cambium?

200

The process by which leaves use water, chlorophyll, carbon dioxide and energy from sunlight to make sugars and starches is called this.

What is photosynthesis?

200

The top of the leaves of this tree are light green, while the underside features a distinct silvery-white coating that flashes in the wind.

What is the silver maple?

300

This process begins with the cambium producing new cells

What is growth?

300

Due to frozen ground, this is often unavailable to trees in winter.

What is water?

300

These older, dead xylem cells help support the tree.

What is the heartwood?

300

This is the process by which trees release water through their leaves.

What is transpiration?

300

The leaf of this tree features 5 distinct lobes separated by smooth, U-shaped spaces (sinuses). The edges are mostly smooth with a few large, pointed tips. This iconic leaf is famous for its vibrant yellow, orange, and fiery red autumn foliage, and it's use on the Canadian flag.

What is the sugar maple?

400

Older xylem becomes this.

What is heartwood?

400
These trees keep their needles throughout the year.

What are conifers or evergreen trees?

400

Another name for the new xylem cells is this.

What is sapwood?

400

This substance often found in the leaves helps plants capture sunlight for photosynthesis.

What is chlorophyll?

400

Unlike the sugar maple, its margins are finely serrated (toothed). The leaf stem is usually noticeably red even in summer.

What is the red maple?

500

Each year of growth of the tree is recorded by these.

What are its annual rings?

500

Needles of evergreen trees have a waxy coating and this, which help prevent water loss.

What is a small surface area?

500

These cells carry water and minerals upward from the roots.

What are xylem?

500

Both transpiration and photosynthesis occur in this part of the tree.

What are its leaves?

500

This tree is known for strong roots and a flower called Mayflowers. We have not seen one yet here.

What is the Hawthorn tree?

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