. . . "Life Sciences 2.0: Plants and animals meet their needs in different ways (CDE, 2000b). 2.a: Students know different plants and animals inhabit different kinds of environments and have external features that help them thrive in different kinds of places (CDE, 2000b). 2.b: Students know both plants and animals need water, animals need food, and plants need light (CDE, 2000b). 2.c: Students know anim" .