A) Smooth bark B) Opposite leaf arrangement C) Alternate leaf arrangement D) Sharp thorns
A) Heart-shaped B) Compound C) Needle-like D) Oval
A) Alternate B) Whorled C) Basal D) Opposite
A) Black B) Green C) Yellow D) Red
A) 2 B) 4 C) Many D) 1
A) Green and peeling B) Covered in thorns C) Smooth and white D) Dark gray with lenticels
A) Acer negundo B) Rhamnus cathartica C) Salix alba D) Fraxinus americana
A) Prominent teeth B) Lack of teeth C) Deep lobes D) Spiny edges
A) Opposite B) Alternate C) Whorled D) Basal
A) Red B) Yellow C) Dark purple to black D) Green
A) Quercus alba B) Frangula alnus C) Acer platanoides D) Rhamnus cathartica
A) Bright green B) Smooth and white C) Rough and deeply furrowed D) Grayish-brown with prominent lenticels
A) Full sun B) Flooding C) Shade D) Dry soil
A) Disturbed areas B) Old growth forests C) Alpine meadows D) Deserts
A) Outcompetes native vegetation B) Enhances biodiversity C) Provides habitat for endangered species D) Prevents soil erosion
A) Beneficial B) Endangered C) Native D) Invasive
A) Watering regularly B) Cutting and herbicide application C) Planting more buckthorn D) Fertilizing heavily
A) Susceptible to many diseases B) Prolific seed production C) Requires specific soil conditions D) Slow growth rate
A) Alternate leaf arrangement on glossy buckthorn B) Thorny branches on glossy buckthorn C) Black berries in the fall D) Opposite leaf arrangement on common buckthorn
A) By bark color B) They are indistinguishable C) By leaf shape D) By examining flower structures
A) Saturated soil B) Rocky soil C) Well-drained soil D) Highly acidic soil
A) Single, straight trunk B) Multi-stemmed shrub or small tree C) Vine D) Ground cover
A) Oak B) Pine C) Dogwood D) Birch
A) Spring B) Fall C) Winter D) Summer
A) Protection from insects B) Support for climbing vines C) Water storage D) Gas exchange
A) Any time B) Late fall or winter C) Spring D) Summer
A) Poisonous B) Purgative C) Strong D) Beautiful
A) Small, greenish-yellow B) Large, showy flowers C) Bright red flowers D) Fragrant white flowers
A) To improve the buckthorn's health B) To promote native plant growth C) To increase soil erosion D) To provide food for invasive species
A) Japanese barberry B) Serviceberry C) Burning bush D) Norway maple |