Which of the Following Is True About the Struggle for Existence

Which of the following is true about the struggle for existence, a principle underlying the population ecology model?

A) Specialists are able to reallocate resources internally to adapt to a changing environment, whereas generalists are not.
B) Generalists are more competitive than specialists in the narrow area in which their domains overlap.
C) The toy company Mattel, which markets a broad range of toys, is considered a specialist.
D) The struggle is most intense among new organizations, and survival frequencies are related to environmental factors.