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