A) Whorled B) Opposite C) Subopposite D) Alternate
A) Cordate B) Linear C) Lanceolate D) Ovate
A) Serrate B) Entire C) Crenate D) Lobed
A) Asymmetrical leaf base B) Parallel venation C) Glabrous surface D) Symmetrical leaf base
A) Virus B) Bacteria C) Insect D) Fungus
A) Winged Elm B) American Elm C) Red Elm D) Siberian Elm
A) Corky wings on twigs B) Smooth bark C) Large thorns D) Reddish leaves in fall
A) Smooth B) Peeling C) Deeply furrowed D) Papery
A) Acorn B) Samara C) Berry D) Drupe
A) English Elm B) Red Elm C) American Elm D) Siberian Elm
A) Has needle-like leaves B) Grows very slowly C) Sheds leaves annually D) Retains leaves year-round
A) Root system B) Leaf arrangement C) Habit D) Bark texture
A) Wind B) Gravity C) Animals D) Water
A) Rock Elm B) Slippery Elm C) Cedar Elm D) Water Elm
A) Firewood B) Paper production C) Medicinal purposes D) Construction lumber
A) American Elm B) Siberian Elm C) Red Elm D) Rock Elm
A) Pacific Northwest B) Northeastern United States C) Southern United States D) Europe
A) Large and showy B) Brightly colored C) Fragrant D) Inconspicuous
A) Floodplains B) Swamps C) High mountains D) Deserts
A) Rounded shape B) Spreading branches C) Columnar shape D) Weeping branches
A) Ecology B) Zoology C) Botany D) Dendrology
A) American elm leaves are rounder. B) Siberian elm leaves are hairy. C) American elm leaves are always perfectly symmetrical. D) Siberian elm leaves are smaller.
A) Had no impact B) Improved the population C) Made them more resistant to other diseases D) Caused a significant decline
A) Aphids B) Elm bark beetles C) Caterpillars D) Wind
A) Maple Elm B) Cedar Elm C) Winged Elm D) Rock Elm
A) A cultivated variety B) A wild type C) A type of disease D) A type of fertilizer
A) Areas between veins B) Leaf stems C) Leaf margins D) Root systems
A) Helps narrow down possibilities B) It is not important C) Determines susceptibility to disease D) Determines the size of the tree
A) Recent storm damage B) Dry growing conditions C) Potentially wet growing conditions D) Extremely fertile soil
A) Less susceptible to certain diseases B) Will never require pruning C) Completely immune to all diseases D) Will grow extremely quickly |