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Are the fittest animals always the largest?


Question asked by: knowitall
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Not at all! Some of the largest creatures ever do not exist any more, so clearly there is a trade off.

The larger the animal the more food it will require relative to its smaller relatives, and therefore when food is tough it can be hard to maintain and sustain that size.

Whilst there are advantages of strength and probably being top dog, again there are usually trade offs in terms of being slower to move around, as there is more inertia on bigger creatures.

Therefore in some circumstances being big counts for a lot, in others it is not particularly relevant.
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