Does natural selection occur when which of the following conditions are met? A. Variations between individual organisms lead to differential survival chances.

B. The conditions in an ecosystem support a wide range of living organisms

C. Individual organisms depend on each other to obtain available resources.

D. Habitat and nutrient resources in an area are plentiful over a long period of time.

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3