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Tuesday, September 4, 2018, 7:23 PM --> Tuesday, September 4, 2018, 8:06 PM

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Gazing at the Jellies19:36: Jason Maas-Baldwin has just entered this chat
19:36: Karenna Fife has just entered this chat
19:36 Karenna:

Hi!

19:37: Stefania Ortiz has just entered this chat
19:38 Karenna:

I have a quick question about #36. I wrote down all the definitions for each form of forestry methods but I do not think that answers the question. What is 36 trying to ask?

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19:38 Ellah:

What conditions made Earth inhospitable at first?

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19:39 Marcus:

Hi Mr. MB

19:39 Marcus:

Are you on?

Gazing at the Jellies19:40 Jason:

yep

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19:41 Ellah:

whoops i dont know what I just did

Gazing at the Jellies19:41 Jason:

ask away if you have any questions!

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19:42 Karenna:

So I did it right?

19:42 Ellah:

Did you get my question about the earth being inhospitable?

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19:43 Marcus:

For the optimal temp and humidity question of a1. on the FRQ, what exact do I need to find in the data table?

Gazing at the Jellies19:43 Jason:

no..but basically early earth is being bombarded by space debris and toxic gases so not exactly fit for life

Gazing at the Jellies19:43 Jason:

find the highest rate of respiration which is .27

In Between Dreams19:43 Sophia:

I'm having a hard time understanding question 18F. I know what baseline data is, but I'm unclear on "what its role is in environmental experiments." Also, the part that says baseline data "often limits conclusions" seems a little counterintuitive to me, since I would argue that baseline data is almost necessary for making concrete conclusions.

19:44 Karenna:

Did u get my question?

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In Between Dreams19:44 Sophia:

Also, I'm not sure exactly what 18G is asking? Or what exactly 18H is looking for?

19:44 Ellah:

I also didn't understand #20, about how ecosystem services are a part of natural capital & how they're different from resources?

19:44 Marcus:

So if I need to find the optimal of something it would need to be the highest value on the data table?

Gazing at the Jellies19:44 Jason:

I should have said "the lack of baseline data is what limits conclusions" so we need more of it

In Between Dreams19:45 Sophia:

Ahhhhhh okay that makes sense

Gazing at the Jellies19:45 Jason:

natural capital is economic value of nature which can be divded into resources (renewable and nonreneable) and ecosystem services

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19:46 Karenna:

I wrote down all the definitions for each form of forestry methods but I do not think that answers the question. What is 36 trying to ask?

Gazing at the Jellies19:46 Jason:

what are 18g and 18h and 20...sorry no study guide in front of me so please ask specific questions

19:46 Karenna:

oh my bad

19:47 Ellah:

are these the only case studies we need to know? Palm oil, saltwater intrusion, sand mining?

19:47 Chloe:

is the background extinction rate 1:5 or 1:10?

Gazing at the Jellies19:47 Jason:

writing the frqs now...what topics do you think I should choose?

Gazing at the Jellies19:48 Jason:

background extinction is 1-3 species a year...basically machthingb speciation

19:48 Kieren:

How would you define microlending? What effects does it have on a community?

19:48 Karenna:

Describe the benefits and drawbacks to slash and burn, clear cutting, selective cutting, and relative selective cutting to the concept of maximum sustainable yield. What does that last part mean?

19:48 Chloe:

oh okay thanks!

In Between Dreams19:48 Sophia:

I recommend termites for the frqs

Gazing at the Jellies19:48 Jason:

palm oil, salt water instrusion, sand mining, and decline in songbird populations are good case studies

In Between Dreams19:48 Sophia:

18G: Explain why natural experiments might be needed and what their limitations are

Gazing at the Jellies19:48 Jason:

notes

19:49 Chloe:

salt water intrusion

In Between Dreams19:49 Sophia:

18H: Design and carry out an experiment that meets the criteria for outlined above

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Gazing at the Jellies19:49 Jason:

maximum sustainable yield: the maximum level at which a natural resource can be routinely exploited without long-term depletion.

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19:50 Karenna:

yeah, I like the palm oil questions and salt water intrusion only because that can connect to ecosystems getting damaged as well so this leads to some outside information that someone could bring into the frq.

19:50 Marcus:

How did the composition of Earth's early atmosphere change over time, and how did living organisms both cause the change and respond to the change?

19:50 Marcus:

a. Prokaryotic cell- the first organisms on Earth, formed roughly one billion years after Earth. Single-cell organisms. b. Eukaryotic cell- organisms that formed after prokaryotes, comprised of multiple cells. c. Photosynthesis- Sunlight + 6H2O + -> C6H12O6 + 6O2. It was first carried out by early organisms as a mean of food production. It was first performed by cyanobacteria. d. Respiration- C6H12O6 + 6O2 -> 6CO2 + 6H2O + Energy (ATP).

19:50 Marcus:

Is this correct?

Gazing at the Jellies19:50 Jason:

clear cutting = immediate economic benefit but not sustainable long term as selective cutting is

Gazing at the Jellies19:50 Jason:

Marcus - yes

19:50 Karenna:

so pretty much, what method is the best for the forest?

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Gazing at the Jellies19:51 Jason:

design and carrying out an experiment basically refers to having controld, controlled variables, replicates, and at least 5 treatments

Gazing at the Jellies19:51 Jason:

Karenna, yes that could be the question

19:52 Ellah:

Are the FRQs that we got in class due?

19:52 Chloe:

can the cheat sheet be typed

In Between Dreams19:52 Sophia:

Thanks!

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Gazing at the Jellies19:53 Jason:

I'm only collecting bird lab and salinization lab..not frqs

Gazing at the Jellies19:53 Jason:

cheat sheet should be hand written

19:53 Karenna:

I like the frq on our bird lab: Describe two consequences of climate change that will lead to a reduction in biodiversity.

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Gazing at the Jellies19:55 Jason:

FRQ reuqests noted

19:55 Karenna:

Also, I have another question. Describe the basis of the precautionary principle and provide an example of it put into place.

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Gazing at the Jellies19:57 Jason:

precautionary principle is the idea that the cost of doing nothing is greater than the cost of doing something to prevent the problem now

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20:00 Karenna:

so what would be a simple example, only because I am finding all sorts of stuff online?

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Gazing at the Jellies20:00 Jason:

I'll have time to answer some questions tomorrow if need be..gotta go facilitate baths and bedtime right now. Get a good night's sleep y'all

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Gazing at the Jellies20:00 Jason:

we will go over precautionary principle tomorrow

20:00 Karenna:

Ok

20:01 Karenna:

Thank you for all your help

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