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