The Psychological View of Intrinsic Value. Life on Mars, Life on Earth. Defining Intrinsic Value? Why Are Humans Morally Special? -- Science's Bridge from Nature to Value. Scientific Facts and Values. The Limits of Ethical Extensionism. Beyond Ethical Extensionism? -- Overlapping Kinds and Value. Two Types of Natural Kind Overlap. What to Do About Kind Overlaps. Descriptive Overlaps and Morality. Combining Descriptive and Metaphysical Kind Overlap to Unearth Environmental Value -- Recent Defenses of Biocentrism. The Value of Life. An Ethic to Live by? -- A Morally Specialized Account of Life. Commonsense and Customized Accounts of Life. A Biofunctional Explanation of Self-Movement. Why the Representationally Alive Are Morally Important. GEN-BOOK- and Self-Directed Goals -- The Contents of Biopreferences. The Teleological Account of Content. The Threat of Genic Selectionism. Sentience and Goals -- Species and Ecosystems. The Shortcomings of Individualism. Environmental Value Holism. Individualistic Ethics of Species and Ecosystems -- An Impossible Ethic? Biocentrism, Consequentialism, and Cognitive Tractability. Does Life Value Leave Room for Human Lives?