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1. The global human population has had two major growth spurts. When did they occur, and what are they called? (4 pts) 2. How do areas that have
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The course is Environmental Science

Topic: Introduction, Greenland Vikings, Environmental Literacy, Human populations



           Biosphere - Energy Flow, Nutrient Cycles

           and so on.

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1. The global human populaton has had ±wo major grow±h spur±s. When did ±hey occur, and wha± are ±hey called? (4 p±s) 2. How do areas ±ha± have higher ecological foo±prin± ±han biocapaci±y mee± ±he needs of ±heir human populatons? (2 p±s) 3. Which is older? (1 p±) (a) contnen±al crus± (b) oceanic crus± 4. Which ±ype of rock is ±he soFes±? (1 p±) (a) sedimen±ary rock (b) igneous rock (c) me±amorphic rock Wha± was ±he mos± recen± period of glaciaton in Nor±h America called? Why is this name used? (2 p±s) Was ²rance ice-covered during ±he mos± recen± period of glaciaton? (1 p±) (a) Yes (b) No How does sedimen±aton rela±e ±o li±hi³caton? (4 p±s) The source of energy that drive mantle convection is _____________________________________________ whereas the source of energy that drive all other is _______________________________. (2 pts) Why is water so important to producing oil and gas? (2 pts) Hydraulic fracturing is required to extract oil from oil sandstone deposits. (a) true (b) false Hydraulic fracturing is required to extract oil from oil shale deposits. (a) true (b) false What does ’S.I.’ stand for in the SI system of measurement? What general system of measurement is it based upon? (2 pts) Over what time period has the Grand Canyon been being eroded? (1 pt) Freshwater found over the Earth’s terrestrial surfaces makes up what proportion of all water on Earth? (1 pt) (a) 97% (b) 50% (c) 32% (d) 2.3% (e) 0.32% (f) 0.001% Why is Asia the largest user of water for agriculture? (2 pts)
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Name the hydrologic flux that is responsible for regenerating freshwater. (1pt) A flux can be defined as (complete the sentence) ____________________________ _______________________________________________________________ (2 pts) Can the water table be polluted? Why or why not? (2 pts) When rainwater enters soil, this is called ______________________________ (1 pt) When water changes from a liquid to a gas, this is called _____________________ (1 pt) The movement of water from soil into plants is called ___________________ (1 pt) The movement of water from plants into the atmosphere is called ____________________________ (1 pt) The following description refers specifically to which of the following terms? Water stored in a layer of relatively permeable material, and bounded above and below by layers of relatively impermeable material. (1 pt) (a) aquifer (b) aquitard (c) confined aquifer (d) unconfined aquifer (e) saturated zone "Wetlands are wet because they act like sponges, soaking up water from the surrounding landscape". Is this statement true or false, why or why not? (4 pts) Given the same underlying topography, which ecosystem holds more water, a lake or a wetland? Explain your answer. (2 pts) What is a watershed? What alternative names are used for the same concept at different scales? (5 pts) Most of the water that humans use comes from ______________. (1 pt) (a) Lakes (b) rivers (c) lakes and rivers (d) groundwater reserves What is bioaccumulation? (3 pts) What is biomagnification? (3 pts) Name two types of substances that bioaccumulate and biomagnify. (2 pts) What are the two key characteristics of a primary research information source? (2 pts) Ozone is beneficial in Earth’s ___________________ but harmful in Earth’s _______________________. (2 pts) Is ozone beneficial for humans? Why or why not? (6 pts) Why should we be concerned about ozone depletion, and what 'family' of chemicals
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Biology - ecosystem (1).docx
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Subject: Biology, Science

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