For an organism to survive, it needs food, water, oxygen, living space, and the ability to maintain a relatively constant body temperature. Warm-blooded animals have ways to adjust their body temperature to compensate for fluctuations in environmental temperature. The body temperatures of cold-blooded animals, such as fish, vary directly with the temperature of their environments.
Power plants and factories can release heated water into nearby rivers and steam into the air.
Which animals downstream of a power plant would be the most affected by thermal pollution discharges from the power plant?
A . birds sitting on the riverbank
B . fish swimming in the river
C . elk grazing near the river
D . people fishing in the river
E . moose standing in the shallow river water
Answer: B
Leave a Reply