Answer to Question #104602 in Ecology for Amit Panchal

Question #104602
‘Changes in temperature influence the geographical distribution of living
organisms’. Explain in details
1
Expert's answer
2020-03-10T07:42:14-0400

Placing on the Earth's surface corresponds to the most important climatic zones: closer to the pole are the tundra, further towards the equator there are coniferous forests, and on both sides of the equator there are tropical forests. Likewise zone located in the mountains.

Living organisms adapt to different temperatures, which may cause differences between species. There are some laws of this. For example, Allen’s rule says that protruding parts of the body (ears, limbs) are usually shorter in endothermic animals that live in a cold climate than in animals that live in a warmer climate. Bergmann's rule says that endothermic animals in cold climates are often larger. Thus, in cold climates, endothermic animals must have a smaller (relative to volume) body surface through which they transfer heat to the external environment. And in animals with the same body shape, with an increase in its size, the ratio of area to volume decreases.

Also, the distribution of many animals may correlate with temperature, but in fact it is limited by the availability or quality of feed. Also, temperature changes are associated with changes in any other environmental condition, for example, humidity, oxygen concentration.


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