Darwin referred to survival of thefittest as natural

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*Darwin referred to survival of the*fittest as natural selection because of its similarity to artificial selection.
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6. _______________________ principle that states that all species, living & extinct, were derived from common ancestors.
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What led Darwin to his theory of evolution? Evidence
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1. Fossil Record/Geology ____________________________ ____________________________ a. can see how life on Earth has changed over time. Why do you think the fossil record can’t be considered solid proof of Evolution?
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2. Geographic Distribution of Living Things Darwin found different species of animals living in similar _______________________ throughout the world. Maned Wolf- South America Serval - Africa
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3. Comparative Anatomy 1. __________________________ structures that have different mature forms in different organisms but develop from the same embryonic tissues ex : when comparing arms/legs/wings/flippers, all vary in form/function but are constructed of the same basic bones .
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2. ____________________ structures found in different types of organisms that are similar in function or outward appearance but dissimilar in basic structure or embryological development ex : insect vs. bird wing.
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3. ___________________ organs that serve no useful function in an Organism
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Human Vestigial Structures The appendix is useless in humans but In other primates it is used to digest Tree bark, raw meat and bone fragments The human tailbone serves no particular function for us but in other primates a tail is vital for balance
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4. _________________ the study of an organism before birth. *Embryos of vertebrates are similar Ex: fish, human, bird, reptile
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4. Biochemistry Comparing ____________ in different organisms The more alike the proteins, the more related the organisms! Remember… DNA codes for proteins Proteins are made of a chain of ______________
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Compare the amino acids:
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How were these organisms organized?
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1. Taxonomy _______________________________ Giving them a name that can be used EVERYWHERE Leopardus pardalisocelot Panthera leo Panthera uncia
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Organization of Classification 1. Kingdom 2. Phylum 3. Class 4. Order 5. Family 6. Genus 7. Species K ing P hillip C ame O ver F or G reat S paghetti
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2. Binomial Nomenclature Two word naming Scientific name Latin _____________________ Example: Gray Wolf Canis lupus Genus Species Italics and/or underlined Genus capitalized Species lowercase
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