Allen's rule is an ecological principle that describes how animal body shape adapts to different climates. Specifically, it focuses on how animals in colder regions have evolved physical characteristics that help them conserve body heat.
Key points about Allen's rule:
· It explains why mammals in cold regions tend to have:
o Shorter ears
o Shorter limbs
o More compact body shapes
· These adaptations help reduce surface area, which minimizes heat loss
· This is an example of how organisms adapt to their environmental conditions through evolutionary processes
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