Question

QUESTION A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?
The high-water flow would make the fish expend more energy The low oxygen content would give the fish difficulty in swimming aerobically The temperature change would stress the fish by denaturing its proteins The change in water solute content would challenge the osmotic balance of the fish

Answer 1

Thus the substance concentration in water waters is high than the stream water. Therefore once the fish migrates from water to a stream, the substance concentration varies from high below, and this could become a physiological challenge for fish to keep up the diffusion balance throughout the migration.

The low O content would build it troublesome for the fish to swim aerobically. The warming ocean has effects on marine organisms at multiple biological process levels, impacting fisheries with implications for food production and human communities.

Abiotic factors that influence aquatic biomes embrace lightweight handiness, depth, stratification, temperature, currents, and tides.

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