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The geological timescale and an overview of the history of life on Earth
Herbivores of greatly different sizes can feed upon the same plant tissues. Though here we can see t
(a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There
Size varies greatly among horse breeds, as with this full-sized horse and a miniature horse.
When introduced into a new area, rabbits can overpopulate rapidly, becoming a nuisance, as on this u
Waste storage by geological isolation