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Ocean-type fish

ocean-type fish

An anadromous fish that shows no indication on its scales or other hard parts of an extended freshwater residence early in its life.

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Evolution and hatchery populations

... offspring in culture for a year, and then release the juveniles to the ocean. When they return as adults again, they repeat the cycle. For many years, hatchery managers only mated the three year old fish. 1a: Will the hatchery populations evolve if managers only mate three year ...

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by Laxaria
Thu Apr 05, 2012 3:41 am
Forum: Evolution
Topic: Evolution and hatchery populations
Replies: 5
Views: 3469

Global Warming and Ocean Environmental Changes

Global Warming and Ocean Environmental Changes Climate Change Threat to Coastal Environment and Marine Biodiversity ... effects of ocean acidification may include interference in the respiration of fish, effects on larval development of marine organisms and changes in the solubility ...

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by nylecar
Tue Oct 20, 2009 12:18 pm
Forum: Ecology
Topic: Global Environmental Change
Replies: 68
Views: 110916

The effects of Ocean Dumping to Water Pollution

... organic materials in polluted water. Numerous bacteria are taken in by fish and wildlife that live near this body of water. These bacteria utilize ... of concrete, junks, etc. Many developed cities dump sewage into the ocean. Even radioactive wastes are emptied into the sea in some places. The ...

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by bhaby
Sat Oct 17, 2009 3:33 am
Forum: Ecology
Topic: Global Environmental Change
Replies: 68
Views: 110916


... of years ago, it created a divide between the Atlantic and Pacific ocean. This also divided large populations of many aquatic species into two. Researchers have found that for every species of fish, shrimp, etc. on the Pacific side, there is a related species on the Atlantic ...

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by MolecularBioFTW
Thu Oct 01, 2009 6:13 pm
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 247
Views: 689142

Cell Osmosis Question

Question A protozoa that normally lives in the ocean is placed in a freshwater fish tank. What would happen to the water balance in the cell? Use the terms osmosis, turgor, cell ...

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by gorgy104
Sun Nov 16, 2008 5:16 pm
Forum: Cell Biology
Topic: Cell Osmosis Question
Replies: 1
Views: 5087
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