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17 Cards in this Set
- Front
- Back
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The value of trees to wildlife |
Food, nesting, support, shelter, pathways for rodents |
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The value of trees to ecosystems |
Resovioires of nutrients, key role in cycles like the water cycle, carbon sinks, regulate runoff, prevent erosion, air cleaners produce O2 |
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The value of trees to people |
Lumber, paper, fuel wood, bark for cork, latex, cellophane and rayon, essential oils, medicine |
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Conifer |
Dominate cold, dry landscapes ex. Boreal forests. Largest and oldest trees ex. Douglas fir. Needle like leaves with drought resistance. Cones, flowers pollinated by wind, evergreen. |
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Deciduous trees |
Broad leaf trees, hardwoods |
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Broad-leaved tree traits |
Broad and flat leaves, mainly deciduous, sometimes both sexes in same flower, pollinated by wind and inspects, seeds in an ovary, warm and moisture temperate tropical forests |
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Willow |
Tastes like asprin |
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Cherry trees |
Bitter and skunky, contain cyanide |
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Simple leaf |
One leaf branching off a stick |
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Compound leaves |
Many leaves branching off a stick |
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Opposite arrangement |
Leaves are opposite each other on the stick |
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Alternate lead arrangement |
Leaves alternate position on the stick |
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Pitch |
Inside the twig. May be hollow, triangular, circular, chambered, or soild. |
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Palate venation |
On maple leaves, the veins spread outward to the points on the leaf. |
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Parallel venation |
Veins run top to bottom of the leaf |
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Arcuate leaf venation |
Leaf veins run rounded up to the top. |
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Pinnate veination |
Veins run parallel to the main vein |
