Interactions with the environment Interactions with the environment 57Paragraph 57 58Paragraph 58 59Paragraph 59 60Paragraph 60 61Paragraph 61 62Paragraph 62 63Paragraph 63 64Paragraph 64 65Paragraph 65 66Paragraph 66 67Paragraph 67 68Paragraph 68 69Paragraph 69 70Paragraph 70 71Paragraph 71 72Paragraph 72 Interactions with the environment