A) Seed type B) Leaf shape C) Root structure D) Bark appearance
A) River Birch B) Paper Birch C) Gray Birch D) Yellow Birch
A) Pure white B) Dark brown C) Yellowish-bronze D) Silver-gray
A) Black, furrowed appearance B) Salmon-pink to reddish-brown color C) Bright green hue D) Perfectly smooth texture
A) Non-peeling, chalky white bark B) Thick, corky bark C) Horizontal lenticels only D) Bark that smells of wintergreen
A) Small spines growing out of the bark B) Protective layers on the trunk C) Resin pockets found in bark D) Pores in the bark for gas exchange
A) Paper Birch B) Yellow Birch C) River Birch D) Gray Birch
A) Ovate to triangular B) Lobed C) Circular D) Needle-like
A) Whorled B) Alternate C) Opposite D) Basal
A) Entire (smooth) B) Serrate (toothed) C) Lobed D) Crenate (scalloped)
A) Drupe B) Berry C) Samara D) Acorn
A) Winged seed B) Fleshy fruit C) Conelike structure D) Hard nut
A) Cylindrical flower clusters B) Modified leaves C) Thorny branches D) Clumps of resin
A) Early spring B) Year-round C) Mid-winter D) Late summer to early fall
A) Gray Birch B) Paper Birch C) River Birch D) Yellow Birch
A) 500-600 years B) 80-120 years C) 300-400 years D) 20-30 years
A) Heavy clay B) Highly alkaline soil C) Permanently wet soil D) Well-drained, sandy loam
A) Making canoes and baskets B) Fueling nuclear reactors C) Construction of skyscrapers D) Artificial sweetener production
A) Aerial roots B) Shallow and spreading C) Deep taproot D) Knee-like roots
A) Having both male and female flowers on the same tree B) Requiring a specific soil type to grow C) Being able to self-pollinate D) Having male and female flowers on separate trees
A) Fast-growing B) It varies greatly by species C) Moderate-growing D) Slow-growing
A) Exotic invaders B) Understory specialists C) Climax species D) Pioneer species
A) Downy twigs on Downy Birch B) Leaf size alone C) Samara wing width D) Bark color alone
A) North America B) Europe C) Antarctica D) Asia
A) A white pigment found in birch bark B) A specialized birch root C) A type of birch disease D) A type of birch leaf
A) By leaf shape and samara wing width B) By tree height alone C) They are the same species D) By bark color alone
A) Repelling insects B) Food source and habitat for various species C) Poisoning herbivores D) Lack of any ecological importance |