Question

which of the following best explains the changes in biodiversity shown in the graph?
a. a heavy snowstorm made brown rabbits more visible to predators, causing them to be hunted, almost to the point of extinction.
b. a volcanic eruption initially cleared many species from the ecosystem, but it also altered the environment in a way that ultimately increased the variety of species.
c. a heavy snowstorm forced the animals within an ecosystem to be less active, but as the snow melted, the species actively began to look for food again.
d. a volcanic eruption cleared almost all of the white - tailed deer from the ecosystem, but they gradually returned to the area and reproduced

Explanation:

La grafica muestra una caída inicial en la biodiversidad seguida de un aumento. Una erupción volcánica puede eliminar muchas especies iniciales (caída en biodiversidad) y luego alterar el entorno, lo que puede permitir la llegada y evolución de nuevas especies, aumentando la biodiversidad. Las otras opciones no explican tanto la caída inicial como el aumento posterior en la biodiversidad.

Answer:

B. A volcanic eruption initially cleared many species from the ecosystem, but it also altered the environment in a way that ultimately increased the variety of species.