AGENDA Go Over DUT; offer REDO opportunity Notes on Intro to Evolution Cartoon Activity
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2 Number your notebook and label the top the following: EVEN Pages-LEFT SIDE Page 176- Concept Map Page 178- Sequence Page 180- Vocabulary Page 182- Warm Ups Page 184- Cartoon Questions HN- Natural Variation (heritable variation) page 379 AGENDA Go Over DUT; offer REDO opportunity Notes on Intro to Evolution Cartoon Activity Questions on Page 184 ODD Pages-RIGHT SIDE Page 177- Quizzes Page 179- Study Guide Page 181- Vocabulary Page 183- Warm Ups Page 185- Intro. To Evolution Notes
3 Began the voyage of the Beagle in 1831 Collected fossils and observed many different types of wildlife to and from the Galapagos islands 1836: came up with the theory of natural selection, returned to England 1859: joint publication of the same theory with Alfred Russel Wallace Book was titled On the Origin of the Species
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5 Humans did not come from monkeys, nor did we come from chimps or any other primate. We share common ancestors. Well, what s the difference? We did not come from primates because primates are still here. It works something like this
6 Examples
7 Evolution of Hip Hop
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22 It describes all of the changes that have transformed life on Earth from its earliest beginnings to what we see in the world today. It s a BIG DEAL probably the biggest thing about biology! It s tied in with EVERYTHING ELSE we ve talked about!
23 Microevolution Small-scale evolution that only affects a single population Macroevolution Large-scale evolution that affects the entire species across multiple populations
24 Natural selection occurs because individuals in a population have different traits that allow them to survive in the environment more efficiently than others without these traits. Results in changes in inherited traits of a population over time. These changes increase a species fitness in its environment.
25 Overproduction of offspring Variation Adaptation Descent with modification
26 How can it lead to natural selection? If a population can have many offspring, it raises the chance that some will survive. The bad news: It can increase competition for resources.
27 What kind of variation exists in this room right now? All kinds! An organism s phenotype may influence its ability to find, obtain, or use resources like food, water, shelter, and oxygen it may even affect the ability to reproduce! Phenotypic variation is controlled by the organism s genotype and the environment.
28 Adaptation increases the frequency of a particular structure, process, or behavior; it makes the organism able to better survive and reproduce. Good adaptations are passed on while bad adaptations probably won t be. This leads to a change in the gene pool over time. And just when you may have forgotten about him Fitness is used to measure how successful a trait is in an environment based on how well it contributes to reproduction.
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30 When the environment changes, natural selection can shape new populations with new phenotypes adapted to new conditions. Natural selection can produce populations with different structures or that live in different habitats from their ancestors descent with modification! More individuals will have successful traits in later generations as long as those traits help the organism survive.
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38 Place the cartoon cards in order (creating a story) One member of your group will be your representative to share with the class. Questions- Page 184 (Complete Sentences) 1. Was this activity easy/hard? Why? What might have made it easier to do? 2. Pick two of the cards in your sequence, why did you place them together? 3. How does this activity help you understand how scientists work?
39 Warm UP- Page 182 What is Evolution? What phenotypes would you expect to see with a species that lives on the beach? Presence of different beak size is due to adaptation to. Notes on Reproduction (Sheet from Yesterday) Concept Map Work on Vocabulary and Cartoon Questions Lab (Peppered Moth Simulation) Quiz TOMORROW!!!! On 5.1 and 5.2 Prime Time DUT Review; Retake Review for EOC- Standard 4
40 What types of organisms pass on genetic information to offspring through reproduction? All of them! What are the types of reproduction? Sexual reproduction Asexual reproduction
41 Sexual reproduction uses meiosis to create gametes. Fertilization results in the embryo receiving alleles from each parent for every trait, and the individual expresses a combination of traits. Genetic variability is also a result of Gene shuffling Crossing over Mutations Recombination of DNA
42 Asexual reproduction involves only one parent producing offspring that are basically genetically identical to the parent. Occurs via binary fission (single-celled organisms) or mitosis (multicellular organisms) Genetic variability only occurs via Mutations in the DNA passed from parent to offspring
43 Budding Fragmentation
44 SEXUAL Lower reproduction rate Fewer offspring are produced at a time Offspring vary greatly from one another (diverse) Best for species in changing environment Methods of reproduction Genetic variability ASEXUAL Higher reproduction rate Many offspring are produced at a time Offspring are genetically identical Not the best for species in changing environment An organism that can reproduce both sexually AND asexually have a great adaptive advantage for survival!
45 All living things have nucleic acids and proteins in common Concept Map Quiz tomorrow!!!!! Study the notes and STARS!
46 Essential Question: How has biological evolution led to the diversity of life? B-5 Traits that make an organism more or less likely to. Explains Biological Evolution Microevolution vs. 4 Principles Variation phenotype of inherited traits influence ability to survive Adaptation increase fittest traits Evidence of Biological Evolution Anatomy- structures of organisms examine Embryology- development of organisms O Biochemistry- (which all organisms share) Paleontology- examine fossil record Natural Selection and Evolution Reproduction- passing genetic information to the next generation Sexual Meiosis and Gametes - leads to better chance of survival Offspring express phenotype that are better suited to an environment will survive and produce Asexual Cell division such as Mitosis or Binary Fission Genetically identical Produce offspring for environment Genetic Variability- of species phenotype (introduced ) Phylogenetic Trees Species share common gene pool ( Diagram representing ) -- change may spread through population if which is used for classification Factors influence variability Estimate divergence of species -- genetic drift -- Closer brackets mutation --natural selection Speciation may occur- creating a new species Distanced bracket -- gradualism extinction
47 Natural Selection Traits that make an organism more or less likely to survive in an environment and reproduce more successfully Explains Biological Evolution Microevolution vs. Macroevolution 4 Principles Overproduction of Offspring Variation phenotype of inherited traits influence ability to survive Adaptation increase fittest traits Decent with modification
48 Reproduction- passing genetic information to the next generation Sexual Meiosis and Gametes Genetic diversity- leads to better chance of survival Offspring express phenotype that are better suited to an environment will survive and produce next generation
49 Asexual Cell division such as Mitosis or Binary Fission Genetically identical Produce offspring for current environment and least amount of variation
50 Peppered Moth Lab Simulation Questions- Page 184 (Complete Sentences) 1. Was this activity easy/hard? Why? What might have made it easier to do? 2. Pick two of the cards in your sequence, why did you place them together? 3. How does this activity help you understand how scientists work? Vocab is on page 180 at front of room. Study Guide Quiz Tomorrow!!!!
Reproduction- passing genetic information to the next generation
166 166 Essential Question: How has biological evolution led to the diversity of life? B-5 Natural Selection Traits that make an organism more or less likely to survive in an environment and reproduce
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