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