Mack_exam_1_final 2009 KEY v1

Mack_exam_1_final 2009 KEY v1 - Name: Page 1 of 6 Exam...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: Page 1 of 6 Exam instructions: --Write your name on all the pages --Make sure that all 8 pages are attached. --You may not use calculators or other electronic aids. The math needed to solve a problem should be relatively simple. If you can't do the math, just show what needs to be calculated (e.g., "answer = 0.5 x .3") --If you get hung up on a problem, skip it; return to it after you’ve answered the “easy” problems. GENERAL ECOLOGY PCB 4044C Spring 2009 EXAM I PAGE POINTS POSSIBLE SCORE 2 27 _____ 3 19 _____ 4 19 _____ 5 25 _____ 6 10 _____ TOTAL 100 _____
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Name: Page 2 of 6 2-1. Please write in the appropriate letter for the term that matches the definition (2 points each). Letter Definition Term i __ _ 1. Nutrient-poor a. Hadley cell h ___ 2. The microbial process through which NH 4 + NO 3 - b. Biome j ___ 3. Differential reproductive success c. Benthic zone g ___ 4. Physical expression of genotype d. Fecundity c ___ 5. Sediments at the bottom of a body of water e. Assimilation efficiency b ___ 6. Communities grouped by climate and plant form f. Forb a ___ 7. Vertical atmospheric circulation pattern in tropics g. Phenotype d ___ 8. # of offspring produced h. Nitrification e ___ 9. Assimilated:ingested energy ratio i. Oligotrophic f ___ 10. Broad-leaved, herbaceous plant j. Natural selection k. Ingestion efficiency l. Graminoid 2-2. a. Rank these global carbon reservoirs in order from largest to smallest, with 1 as the largest and six as the smallest (5 points). 5 ____Atmosphere 750 Pg C 4 ____Terrestrial vegetation and soils 2,300 Pg C 3 ____Fossil fuels3,700 Pg C 1 ____Rocks 18,000,000 PgC 6 ____Marine biota 3 Pg C 2 ____Intermediate and deep oceans 38,000 Pg C b. What is the unit used to describe pools and fluxes in the global carbon cycle and how many grams does this unit contain (2 points)? Pg C = 10 15 g
Background image of page 2
Name: Page 3 of 6 3-1. Define the acronyms GPP, NPP and NEP. Explain, through either equations or words, how they are related to one another. If you introduce other acronyms or abbreviations, make sure that you define them (10 points). GPP = Gross Primary Productivity; total carbon or energy fixation by the ecosystem
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

Mack_exam_1_final 2009 KEY v1 - Name: Page 1 of 6 Exam...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online