Biology, 19.12.2019 00:31, natalia1978
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in higher latitudes where lakes freeze over in winter, how do cool fall temperatures fish make it through the winter?
the cooling water slows fish metabolisms down and allows them to go into hibernation in winter.
water from the bottom of the lake raises and provides oxygen to the cooler waters on the surface.
cool water at the surface traps nutrients deep in the lake to provide food during the winter.
the water in contact with the air sinks and mixes with the less oxygenated water in the deeper levels.
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Biology, 22.06.2019 01:40, warnene17
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
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in higher latitudes where lakes freeze over in winter, how do cool f...
in higher latitudes where lakes freeze over in winter, how do cool f...
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