Biology > Class Notes > BIO 101 Class 2 Notes updated 2020 (All)
BIO 101 Class 2 Notes updated 2020
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BIO 101 Class 2 Notes updated 2020 • Evolution o The unity of life is based on DNA and a common genetic code The diversity of life arises from differences in DNA sequences Life has a uni... ty and diversity o The diversity of life can be arranged into 3 domains Bacteria are the most diverse and widespread prokaryotes • Single celled ?? Archeae are prokaryotes that often live in Earth’s extreme environments • Single celled with no nuclei Eukarya have eukaryotic cells and include • Single-celled protists and • Multicellular fungi, animals, and plants o 1.7 Evolution explains the unity and diversity of life From his observations, Darwin inferred • Individuals with heritable traits best suited to environment more likely to survive and reproduce • This unequal reproductive success over many generations, an increasing proportion of individuals with advantageous traits • Result: evolutionary adaptation, accumulation of favorable traits in a population over time o Same adaptations would only occur with same weather and outside factors [Show More]
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