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Question
which statement best describes a forest ecosystem that has not experienced any disturbances or natural disasters in the past 100 years? a. the types of plants and animals that live in the forest are reasonably stable. b. the types of plants that grow in the forest are changing from year to year. c. faster growing conifers are replacing slower growing deciduous trees. d. the number of types of animals that live in the forest is rapidly increasing.
Un ecosistema forestal sin perturbaciones durante 100 años alcanza un estado de equilibrio, donde las comunidades de plantas y animales son estables (no hay cambios bruscos en sus tipos, ya que la sucesión ecológica ha alcanzado la etapa de climax). Las opciones B (cambios anuales) no son típicos en un ecosistema estable; C describe sucesión (no un ecosistema sin perturbaciones) y D (aumento rápido de animales) no es característico de un ecosistema estable. Por lo tanto, la opción A es la correcta.
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A. The types of plants and animals that live in the forest are reasonably stable.