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