Water Quality B/C

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SilverBreeze
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Water Quality B/C

Post by SilverBreeze » December 15th, 2019, 3:26 pm

I don't know whether a Water Quality question marathon already exists, but here goes nothing:

Name the stages of potable water treatment, in order.
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Re: Water Quality B/C

Post by Scrambledeggs » December 15th, 2019, 5:54 pm

SilverBreeze wrote:
December 15th, 2019, 3:26 pm
I don't know whether a Water Quality question marathon already exists, but here goes nothing:

Name the stages of potable water treatment, in order.
Intake/collection, chemical addition, sedimentation, coagulation and flocculation, disinfection, and finally filtration
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Re: Water Quality B/C

Post by SilverBreeze » December 15th, 2019, 7:44 pm

I believe sedimentation and coagulation/flocculation might be switched? Otherwise, all correct, just remember to use spoilers next time. Your turn!

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Re: Water Quality B/C

Post by Scrambledeggs » December 15th, 2019, 8:05 pm

1) Describe the difference between Homiohaline and polyhaline

2) What is a buffer?

3)Briefly describe the life cycle of a coral polyps
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Re: Water Quality B/C

Post by SilverBreeze » December 15th, 2019, 9:19 pm

Here are my best answers: 1. homiohaline refers to estuaries with relatively constant gradients, where as poikilohaline(is that what you meant? Google tells polyhaline is the most saline type of water still considered brackish, but it could just be me being inane) refers to estuaries with more variable salinity gradients.
2. A buffer is a solution of a weak acid and its conjugate base that keep the pH of a solution from changing when acids/bases are added.
3. Sperm and eggs are released in broadcast spawning. A planula larva is formed. It settles(is recruited) somewhere and is fixed permanently. It asexually reproduces to form a colony.
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Re: Water Quality B/C

Post by Scrambledeggs » December 15th, 2019, 9:50 pm

SilverBreeze wrote:
December 15th, 2019, 9:19 pm
Here are my best answers: 1. homiohaline refers to estuaries with relatively constant gradients, where as poikilohaline(is that what you meant? Google tells polyhaline is the most saline type of water still considered brackish, but it could just be me being inane) refers to estuaries with more variable salinity gradients.
2. A buffer is a solution of a weak acid and its conjugate base that keep the pH of a solution from changing when acids/bases are added.
3. Sperm and eggs are released in broadcast spawning. A planula larva is formed. It settles(is recruited) somewhere and is fixed permanently. It asexually reproduces to form a colony.
Yeah for #1 it seems correct, my notes just say that homiohaline basically just means constant salinity within an estuary, while polyhaline is changing salinities within an estuary. Based off google, it seems your answer seems more correct? #3 is mostly correct, just remember that they can also reproduce sexually.
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Re: Water Quality B/C

Post by SilverBreeze » December 15th, 2019, 9:58 pm

Thanks!
1. How much energy is lost between trophic levels?
2. Which nutrient cycle does not involve the atmosphere as a significant reservoir?
3. Why do we monitor fecal coliform and not pathogens?
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Re: Water Quality B/C

Post by IHateClouds » December 16th, 2019, 5:53 am

SilverBreeze said:
Thanks!
1. How much energy is lost between trophic levels?
2. Which nutrient cycle does not involve the atmosphere as a significant reservoir?
3. Why do we monitor fecal coliform and not pathogens?

1. 90%
2. phosphorus
3. not really sure but i think because fecal coliform is found in higher amounts
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Re: Water Quality B/C

Post by SilverBreeze » December 16th, 2019, 7:53 pm

All correct. On #3, more specifically it is because pathogens are found in too small a number to monitor easily. Your turn!
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Re: Water Quality B/C

Post by IHateClouds » December 17th, 2019, 10:20 am

1. What is the relationship between crown of thorns starfish and tritons?
2. Where are there increased crown of thorns starfish outbreaks?
3. What type of food does the crown of thorns starfish consume?
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