Trees

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1.	Putting seeds directly into the forest floor rather than planting seedlings.
5.	The care and use of forests. Forest management works to protect the forests.
6.	Their main function is the conversion of carbon dioxide, water, and UV light into sugar via photosynthesis.
7.	Products produced from trees.
8.	Generally small to medium-sized trees or shrubs, mostly of northern temperate and boreal climates.
9.	The part of a plant that is able to grow into a new plant.
10.	The inner bark tissue that transports nutrients down to the roots and backup.
11.	The process by which a tree produces its own food (sugar).
12.	A gas composed of carbon and oxygen, produced during respiration.
13.	A representation of “who eats who" in an ecosystem.
16.	The building of a new forest by planting or reseeding.
18.	The visible outer covering of a tree that protects the inside.
19.	It is a coniferous species of tree which grows to heights of 30 to 70 feet (9 - 22 m) tall.
21.	The fluid part of a plant rich in sugar and starch that moves up and down the plant in the phloem tissue of the bark.
23.	Medium-sized deciduous trees reaching 15-30 m (50-100 ft) tall. In North America, the aspen is referred to as quaking Aspen or Trembling Aspen because the leaves "quake" or tremble in the wind.
24.	Wood made by broad-leafed, deciduous trees (aspen, birch and poplar).
25.	The top branches and leaves of the trees in a forest.
26.	A medium-sized (occasionally >55m tall), evergreen conifer, with a fairly symmetrical, conical crown, a regular branching pattern that often extends to the ground, and a smooth, dark grey, scaly bark.
27.	The non-living wood making up most of a tree stem which gives the stem strength.
30.	The cutting and transporting of trees to the mill to make products.
31.	This tree grows to 40 metres tall with a skinny stem and triangle-shaped top.
33.	A very young tree.
34.	The process of growing back what has been lost. Forests regenerate after a fire with the growth of new seedlings.
35.	The process of growing back what has been lost. Forests regenerate after a fire with the growth of new seedlings.
36.	Rings that are present on a cross-section of a tree trunk represents and determine the age of a tree.
37.	A method of harvesting trees where all standing trees are removed from a section of forest at one time.
39.	a boreal larch tree belonging to the pine family.
40.	A young shoot representing the current season's growth of a woody plant.
41.	Many different species living in balance with their environment.
43.	A tree that bears cones and has needles or scale-like leaves. Examples are pine, spruce, fir or cedars. Often referred to as evergreens or softwoods.
45.	A non-metallic element that exists in its free form as a colourless, odourless gas and makes up about 21 percent of the Earth's atmosphere.
46.	The process of exchanging gases with the environment.
49.	Tubes that carry water around a leaf and help keep its shape.
50.	A plant-eating organism.
51.	A small, narrow evergreen tree with a spire-like crown. It has descending branches, with dark, bluish-green needles, and upturned ends. Lower limbs sweep the ground.
52.	Little holes on the underside of leaves that allow gases to pass.
53.	Any organism which uses energy from the sun to produce its own food.
55.	The outer covering of woody plants.
57.	This tree usually grows to be 24 metres tall, but under ideal conditions can grow to more than 30 metres tall. It usually lives between 250 and 350 years, but trees up to 1,000 years old have been seen.
58.	Feeding relationships in an ecosystem, the transfer of energy throughout an ecosystem. It is an inter-related network of food chains.
60.	An organism that breaks down material and litter.
61.	Visible imperfections in wood grain that are circular and darker than the surrounding area.
62.	Large deciduous trees with rounded to triangular leaves, attractive greyish bark, and small clusters of drooping flowers.
63.	An organism that feeds on other organisms in an ecosystem. Herbivores, carnivores and omnivores are consumers.
65.	The largest trees in forests that act as central hubs for vast below-ground networks.
66.	The organism resulting from the relationship between an alga and a fungus.
67.	The top of a tree forms the canopy.
68.	Modification of an organism so that it adjusts to a new or altered environment.
70.	A layer of wood produced during a tree's growing season.
71.	The root and digestive system of mushrooms.
72.	The removal of trees for a variety of uses.

Down:
2.	The state of being dependent upon each other; interconnected.
3.	A tree that bears cones and has needles or scale-like leaves. Examples are pine, spruce, fir or cedars. Often referred to as evergreens or softwoods.
4.	Thin, pointy leaves that remain alive and on the tree through the winter and into the next growing season.
8.	Living components of an environment.
14.	Trees and plants that lose their leaves annually every autumn.
15.	The national tree of Canada.
17.	The loss of water through the pores (stomata) in the leaves.
20.	The stem of the tree after it has been
21.	A young tree
22.	A preferred place where an animal or plant lives.
28.	Non-living components of an environment.
29.	Microscopic tubes running the length of a plant's trunk that conduct water and minerals upward from the roots. This makes up the wood of the stem.
32.	The area around the base of the trees, usually covered with leaves, moss and other plants.
35.	A standing tree that has begun to decay or a tree that has been felled but has caught itself on the way down.
37.	Green substance in the leaves of plants that traps light energy used in photosynthesis.
38.	An area of living and non-living components that form an environment.
42.	A group of trees.
44.	The inner layer which serves to take food from the leaves to parts of the tree.
47.	A tree that does not lose its leaves.
48.	A tree’s main root, which goes straight down into the soil.
51.	A fast growing, fast suckering a medium-sized (exceptionally over 30m tall), deciduous broad-leaved tree that prefers moist to wet areas.
52.	The softer outer layer of the wood in the stem between the cambium and heartwood, responsible for nutrient transportation.
54.	Its main function is to keep a pine tree's seeds protected.
56.	The functions of tree roots are to absorb nutrients and water, store nutrients and food, and anchor the tree to the ground
58.	The practice of managing, conserving and creating forests.
59.	The growing part of the tree where cells form wood
63.	Small, woody structure of coniferous trees which produce the seeds.
64.	A low growing perennial plant.
69.	The soft, moist, soupy mass of wood fibres from which paper is made.

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Trees

Crossword

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