Which of the following statements about competition and its type is/are TRUE?
(I) Interspecific competition occurs when organisms of two different species share limited resources in the same area.
(II) Intraspecific competition occurs when some organisms of the same species compete for the same resources in the same area.
(III) Same species of trees compete for the same combination of light, nutrients, and water.
1. Statements I and II only
2. Statements II and III only
3. Statement I only
4. Statements I, II, and III