Exam- BIO 1108: MSH Exam Review Questions and Answers

Exam- BIO 1108: MSH Exam Review Questions and
Answers

MSH is a _________ ecosystem (NOT homogeneous). CORRECT ANS-heterogeneous




The area MOST affected by the blast was the ______ slope. CORRECT ANS-north




The area LEAST affected by the blast was the ______ slope. CORRECT ANS-south




Scorch Zone CORRECT ANS-Outer edges of impact (many trees killed but not all wildlife

was destroyed)




Pumice Plain / Pyroclastic Flow CORRECT ANS-Specific location (of the N slope) most

heavily affected by the eruption




Blow Down Zone/ Lateral blast CORRECT ANS-Largest area impacted by the blast




Tephra (Ash) contains NO organic __ and only trace amounts of __. CORRECT ANS-C, N

, Exam- BIO 1108: MSH Exam Review Questions and
Answers

______ are able to recolonize MSH first, but will not remain due to the absence of food and

resources. CORRECT ANS-Animals




______ migrate the slowest because they depend on generational migration. CORRECT

ANS-Plants




Seeds are primarily spread via ______, _______ (fecal matter), and _____. CORRECT ANS-

wind, animals, water




Wind dispersal is best suited for seeds with ______ cotyledons (lighter → can travel more

easily). Ex) Fireweed & Pearly Everlasting CORRECT ANS-small




Ballistic dispersal CORRECT ANS-seeds explode




_______ was the FIRST plant to recolonize MSH; participates in _______. CORRECT ANS-

LUPINE, FACILITATION