[BIL 160] - Midterm Exam Guide - Comprehensive Notes for the exam (10 pages long!)

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Assignment: read chapter 23 before jan 27th, take notes. Evolution accounts for the unity and diversity of life. The one idea that makes logical sense of everything we know about living organisms. The scientific explanation for both the unity and diversity of organisms is the concept that living organisms are modified descendants of common ancestors. Many kinds of evidence support the occurrence of evolution. Evolutionary mechanisms account for the unity and diversity of all species on earth. Species: one of the many key concepts in the sciences that were part of human understanding before modern science existed; subtle, complex, and disputed the concepts in physics of time, light, etc. Long before biology developed as the scientific study of living things, all human cultures could recognize and distinguish among many different kinds of plants and animals. Not only humans - other living things also must be able to tell different species apart.