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Welcome

Getting started• This review will be posted on my SI

resources site (See Vista), so there’s no need to write everything down. (unless you just want to)

• This session is much different than a regular SI session: this is a fast-paced review rather than going into the material in depth.

• Shameless plug: People who come to my SI sessions typically do better on their tests. Please come, having more people generally makes the sessions more enjoyable.

Rules• Each team will have a chance to work

together to answer questions in order: Team 1, 2, 3, 4

• If the team cannot answer all parts of a question, the question will be passed to the next team (this is separate from the bonuses).

• Please put your notes away unless you are writing in them, no points will be awarded for finding info in your notes.

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Vocabulary 1 Vocabulary 2 China Revs Up

Biogeochem-ical cycles

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Fill in the blank:

A ______ is a network of relationships among a group of parts, elements, or components that interact with and influence one another through the exchange of energy, matter and/or information

Vocabulary I for $100

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A system is a network of relationships among a group of parts, elements, or components that interact with and influence one another through the exchange of energy, matter and/or information


Hypoxia occurs when there is low oxygen to the point that…

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Hypoxia occurs when there is low oxygen to the point that… Organisms cannot live


An Emergent Property is a characteristic which:

a. Is specific only to a particular species

b. comes about as a result of competition between species

c. Does not appear in an organism’s components

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An Emergent Property is a characteristic which:

a. Is specific only to a particular species

b. comes about as a result of competition between species

c. Does not appear in an organism’s components

(i.e. the whole is greater than the sum of its parts)


A ________ feedback loop occurs when an output also acts as input that moves the system in the same direction it is going(towards one extreme or the other, ex. increase or decrease)

A.Positive

B.Negative

Part B: how does the other kind of feedback loop work?

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A Positive feedback loop occurs when an output also acts as input that moves the system in the same direction it is going(towards one extreme or the other, ex. increase or decrease)

A.Positive – ex. Exponential population growth, microphone feedback

B.Negative – ex. Sweating, thermostat

Part B: A negative feedback loop stabilizes the system, moving it in the opposite direction.


The GPGP:

-What does the abbreviation stand for

-what is it?

-what problems does it pose to wildlife and humans?

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The GPGP:

-What does the abbreviation stand for?

The Great Pacific Garbage Patch

-what is it?

A patch of ocean that spans the Pacific which is filled with plastic debris

-what problems does it pose to wildlife and humans?

Birds mistaking the plastic for food, other marine life that we may eat may eat and absorb toxins

Vocabulary II for $100

An ecosystem is

a. specific environment in which an organism lives, including both biotic and abiotic factors

b. functional role of a species in a community

c. communities and the abiotic(nonliving) environment they interact with

d. threatened area that supports diversity of endemic species

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An ecosystem is



c. All communities in an area and the abiotic(nonliving) environment they interact with



The Dead Zone

-Where is it?-What is it?-What causes it?

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The Dead Zone

-Where is it? – The Gulf of Mexico(the one we talked about), but also many more around the world.

-What is it? – An area of ocean where there is not enough oxygen for marine life to live

-What causes it? – Fertilizer run-off causes over growth of algae, which cause an overpopulation of oxygen-consuming detrivores


Fill in the blank:

In the GPGP, ___ percent of the waste is sea-based, while the remaining ___ percent is land based.

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Fill in the blank:

In the GPGP, 20 percent of the waste is sea-based, while the remaining 80 percent is land based.


Composting:

-Describe the process

-What are its uses/benefits?

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Composting:

-Describe the process – Organic matter is broken down to provide fertillizer ...etc

-What are its uses/benefits?

Reduce waste in landfills, act as carbon sink, cheap and effective fertilizer


That state reached when processes within a system are moving in opposing directions at equivalent rates so that their effects balance out

A. Homeostasis

B. Dynamic Equilibrium

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A. Homeostasis - property of a system that regulates its internal environment and tends to maintain a stable, constant condition (equilibrium maintained)

B. Dynamic Equilibrium- That state reached when processes within a system are moving in opposing directions at equivalent rates so that their effects balance

Cycles for $100

The amount of time nutrients remain in one place is known as:

a. Hibernation time

b. Lifetime

c. Residence time

d. Flux

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The amount of time nutrients remain in one place is known as:

a. Hibernation time

b. Lifetime

c. Residence time

Cycles for $200

True or False:

Phosphorous and Nitrogen are considered limiting factors in

organism growth. What does this mean?

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the availability of phosphorus and nitrogen govern the rate of growth of many organisms.

In ecosystems an excess of phosphorus can be problematic, especially in aquatic systems, causing eutrophication and algal blooms.

Cycles for $300

What is the missing sink, and why is it important?

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Not all carbon sinks have been accounted for (i.e. there is not as much carbon in the atmosphere as would be expected by adding up the amount absorbed by all the known sinks), so it is assumed that there is some carbon sink that we do not know about, and we must find out what it is, and be careful not to disrupt it. Otherwise, that carbon would go into the atmosphere, causing further warming.

Cycles for $400

An ecosystem is



c. communities and the abiotic(nonliving) environment they interact with


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An ecosystem is [c]

a. specific environment in which an organism lives, including both biotic and abiotic factors [habitat]

b. functional role of a species in a community [niche]

*c. communities and the abiotic (nonliving) environment they interact with*

d. threatened area that supports diversity of endemic species [biodiversity hotspot]

Cycles for $500

Briefly describe the process of Nitrogen fixation, nitrification, and

denitrification

-Nitrogen from the atmosphere is fixed so that it can be used by plants. The three ways it can be fixed are

1. Bacteria such as those that live in root nodules of legumes

2. Lighting

3. Artificial processes (by humans)

-Nitrogen can be further nitrified by bacteria

Movie Review for $100

When might China equal the US levels of carbon

emissions?

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2030


What is the race between the stork and the plow?

The fight to provide enough food for a growing population


What is Kuznets Curve?

As affluence(wealth, quality of life) increases, citizens demand cleaner conditions.


Cite three examples of how China’s rising affluence is affecting the environment..


Describe the tug-of-war between the rising affluence of farmers and environmental

concerns in China.

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