Suppose an ecosystem suddenly loses all of its consumers to a disease. Which of the following scenarios would most likely happen? A. The ecosystem would become overgrown with plants.
B. Plant-eating organisms would become abundant.
C. Carnivores and omnivores would starve to death.
D. Energy would no longer enter the ecosystem.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

b a mature ovary of a plant.