Unit 1 Exam Review

Hi!

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?

What conditions made Earth inhospitable at first?

Hi Mr. MB

Are you on?

yep

whoops i dont know what I just did

ask away if you have any questions!

So I did it right?

Did you get my question about the earth being inhospitable?

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

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

find the highest rate of respiration which is .27

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.

Did u get my question?

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

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

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

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

Ahhhhhh okay that makes sense

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

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?

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

oh my bad

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

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

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

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

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

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?

oh okay thanks!

I recommend termites for the frqs

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

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

notes

salt water intrusion

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

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

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.

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?

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).

Is this correct?

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

Marcus - yes

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

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

Karenna, yes that could be the question

Are the FRQs that we got in class due?

can the cheat sheet be typed

Thanks!

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

cheat sheet should be hand written

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

FRQ reuqests noted

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

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

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

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

we will go over precautionary principle tomorrow

Ok

Thank you for all your help