AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How does temperature impact aquatic systems?
A
Some composites can be toxic to aquatic live due to higher temperatures
B
Water may not contain enough oxygen for the survival of different animals.
C
It makes the fish die too quickly due to high temperature
D
warm water can cook the fish to death
Explanation: 

Detailed explanation-1: -The solubility of oxygen and other gases will decrease as temperature increases 9. This means that colder lakes and streams can hold more dissolved oxygen than warmer waters. If water is too warm, it will not hold enough oxygen for aquatic organisms to survive.

Detailed explanation-2: -Warm water holds less dissolved oxygen than cool water, and may not contain enough dissolved oxygen for the survival of different species of aquatic life. Some compounds are also more toxic to aquatic life at higher temperatures.

Detailed explanation-3: -Cold water can hold more dissolved oxygen than warm water. In winter and early spring, when the water temperature is low, the dissolved oxygen concentration is high. In summer and fall, when the water temperature is high, the dissolved-oxygen concentration is often lower.

Detailed explanation-4: -Temperature affects their metabolism, reproduction and emergence. Temperature also affects the rate of photosynthesis of aquatic plants, the base of the aquatic food web. Pollutants can become more toxic at higher temperatures. The amount of dissolved oxygen becomes lower as the water becomes warmer.

Detailed explanation-5: -Oxygen is also introduced into the water as a byproduct of aquatic plant photosynthesis. When dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive. The colder water is, the more oxygen it can hold. As the water becomes warmer, less oxygen can be dissolved in the water.

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