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1) What type of Mangrove is closest to the ocean?
2)What specific adaptation allows this?
3) While carrying out a water quality analysis in the field, you first treat a measured sample with manganese sulfate and then alkali iodide azide. After a golden flocculant forms and settles, you acidify the sample with sulfuric acid, and add a starch solution. What chemical do you need to titrate the sample with to finish this analysis?

1, The Rhizophora mangrove, Its closest to the flooding tides.
2,root system allows so that it wont get swept away, and it can filter out the salt in the water.
3,Ethylenediaminetetraacetic acid?
This is my first post because I have been living under a rock.

Number one was Red Mangroves (was what I was looking for)

Your turn!

Aight, so first question is: Name the 6 stages of water stratification(I’m looking for the seasonal changes)
2, Name a certain invasive species in Lake Michigan it is named after a animal.
3, Name 4 Macrovertebrae that live in a river ecosystem

PM me if I haven’t replied with answers

Just going to mention that the current topic is marine/estuary, not freshwater (we all make mistakes):
Name the 6 stages of water stratification(I’m looking for the seasonal changes)
2, Name a certain invasive species in Lake Michigan it is named after a animal.
3, Name 4 Macrovertebrae that live in a river ecosystem


1. Turnover? Not quite sure what you're looking for.
2. I'm guessing zebra mussel?? All animals are named after themselves?
4. mayfly, stonefly, waterboatman, dragonfly

Next set of questions in case I forget:

1. What type of symbiosis exists between zooxanthellae and corals?
2. Why do estuaries have low species diversity but high productivity?
3. What are the toxins found in crown-of-thorns starfish called, and what household item do they have similar properties to?

SilverBreeze wrote: ↑August 4th, 2020, 5:05 pm Just going to mention that the current topic is marine/estuary, not freshwater (we all make mistakes):
Name the 6 stages of water stratification(I’m looking for the seasonal changes)
2, Name a certain invasive species in Lake Michigan it is named after a animal.
3, Name 4 Macrovertebrae that live in a river ecosystem


1. Turnover? Not quite sure what you're looking for.
2. I'm guessing zebra mussel?? All animals are named after themselves?
4. mayfly, stonefly, waterboatman, dragonfly

1, I was looking for the seasonal changes
2, I should have worded better ,sorry.
3, correct

k1208438 wrote: ↑August 5th, 2020, 1:41 pm 1, I was looking for the seasonal changes

Could you clarify what those seasonal changes are(spoilered, of course)? Are you referring to turnovers? I wasn't aware of there being named stages, but I could be wrong, of course. Is this in reference to freshwater or marine? Were you perhaps looking for the layers of stratification instead?

SilverBreeze wrote: ↑August 5th, 2020, 2:30 pm

k1208438 wrote: ↑August 5th, 2020, 1:41 pm 1, I was looking for the seasonal changes

Could you clarify what those seasonal changes are(spoilered, of course)? Are you referring to turnovers? I wasn't aware of there being named stages, but I could be wrong, of course. Is this in reference to freshwater or marine? Were you perhaps looking for the layers of stratification instead?

I think they were looking at how the stratification changes throughout the year. For instance in the middle of summer, the water near the surface is less dense than the water at depth. I think turnover was part of the question, but I'm not positive either.

SilverBreeze wrote: ↑August 4th, 2020, 5:14 pm Next set of questions in case I forget:

1. What type of symbiosis exists between zooxanthellae and corals?
2. Why do estuaries have low species diversity but high productivity?
3. What are the toxins found in crown-of-thorns starfish called, and what household item do they have similar properties to?

1. Mutualism (but specifically, obligate mutualism, endosymbiosis, and trophic mutualism)



2. Probably because organisms that live in estuaries require specific adaptations to survive in the changing conditions, but upwelling and rivers bring lots of nutrients to the plants



3. (Astero)saponins; soap




1. To defend themselves, sea cucumbers perform which type of autotomy?
2. Toxins produced by dinoflagellates are accumulated in moray eels, groupers, and humphead wrasses; these toxins can cause what type of food poisoning?
3. Algae undergo which type of life cycle, which involves switching between sporophyte and gametophyte generations?

This is my first post because I too have been living under a rock.