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Freshwater

Relating to or living in or consisting of water that is not salty; freshwater fish; freshwater lakes.Water that possesses little dissolved minerals such as salt and is defined as fresh water as opposed to salt water found in the oceans. Freshwater environments are created by precipitation and its run off from high altitudes towards the coasts (a river) or a trough in the landscape in which freshwater collects (a lake). Check out the freshwater ecology tutorial for more information.


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Point me in the right direction?

Hello, Firstly, my apologies for how random this may first seem. I am a hobby breeder of freshwater shrimp . The caridina cantonensis species often display a golden trait, which means they are blind. What i have noticed is that these shrimp are also unable to display ...

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by Dinch
Mon Sep 29, 2014 8:52 am
 
Forum: General Discussion
Topic: Point me in the right direction?
Replies: 0
Views: 65

Recessive and dominant genetics - Pitx1 case study

... from the ones pictured above if the scientists were able to modify the regulatory regions of the mouse Pitx1 gene to be similar to those of a freshwater stickleback that does not produce pelvic spines. v this is what my text says on the basic diagram "This Scientists generated mouse embryos ...

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by scienceguy914
Mon Sep 08, 2014 1:44 am
 
Forum: Genetics
Topic: Recessive and dominant genetics - Pitx1 case study
Replies: 0
Views: 427

Re: How can i asses the parasie loading of littorina littoria?

Your species has an operculum and is marine, so I'm not sure if this would work. We used to collect freshwater snails to see if they had schistosomes. The snails would release cercariae when transferred to a vial of water. We could then see the released cercariae when the ...

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by marineman
Sun Feb 24, 2013 1:36 pm
 
Forum: Zoology Discussion
Topic: How can i asses the parasie loading of littorina littoria?
Replies: 7
Views: 3794

Re: How can i asses the parasie loading of littorina littoria?

Your species has an operculum and is marine, so I'm not sure if this would work. We used to collect freshwater snails to see if they had schistosomes. The snails would release cercariae when transferred to a vial of water. We could then see the released cercariae when the ...

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by wbla3335
Fri Feb 22, 2013 9:33 pm
 
Forum: Zoology Discussion
Topic: How can i asses the parasie loading of littorina littoria?
Replies: 7
Views: 3794

Amoeba, Paramecium, Diatom

... cell by pseudopodia or false feet, they surround the prey and trap it in tiny drop of water forming food vacuole. I think Paramecium are found in freshwater ponds, lakes, streams, rivers and puddles. Some can even live in the bodies of animals or in most soil. Paramecium use cilia for movement ...

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by Ayeshaa
Thu May 10, 2012 3:14 am
 
Forum: Microbiology
Topic: Amoeba, Paramecium, Diatom
Replies: 0
Views: 6894
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