There's all sorts of life in the Redwood forest, but not just in the ground, different animals live in all layers of the Redwoods! Disciplinary Core Ideas: LS2.A: Interdependent Relationships in Ecosystems - Plants depend on water and light to grow (2-LS2-1). LS4.D: Biodiversity and Humans - There are many different kinds of living things in any area, and they exist in different places on land and in water (2-LS4-1). Performance Expectations: 2-LS2-1. Plan and conduct and investigation to determine if plants need sunlight and water to grow. 2-LS4-1. Make observations of plants and animals to compare the diversity of life in different habitats.