Evolution and Natural Selection notes
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This GoConqr page gathers notes on evolution and natural selection, from adaptations and genetic change to speciation. School students, university students and professional candidates can use them to practise these topics, while teachers can find material to share. There are over 160 notes by more than 130 users, covering school and university study as well as professional preparation. Explore the notes and choose a topic to review.
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- Origin of Life141
- History of Evolutionary Thought87
- Evidence for Evolution404
- Genetic Variation75
- Population Genetics and Evolutionary Mechanisms145
- Natural Selection421
- Artificial Selection47
- Adaptations215
- Speciation318
- Patterns of Evolution27
- History of Life and Extinction35
- Phylogenetics and Classification57
- Human Evolution97
Notes
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Evolution and Speciation TEST NOTES Patterns of Evolution: Divergent Evolution Convergent Evolution Co-Evolution Adaptive Radiation Punctuated Equilibrium Phyletic Gradualism Divergent Evolution: Ancestral species evolve into 2 or more species Be...
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SciPad Answers (Pages 281-283, 292-296) Page 281 4. Use the diagram and previous answers to dicuss how changes in the diet, hunting/foraging behaviour and cliamte may have led to the obsebvable trends in cranial capacity. Changes in climate re...
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Xerophites Xerophite adaptationsThick waxy cuticle- water can not pass through so easilyStomata sunk into pitsincreased humidity in stomatal guard cells pit decreases transpiration raterolled leavesincreased humidity and decreas...
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Adaptations and Extremophiles Adapt and survive To survive and reproduce, organisms need a supply of resources from their surroundings and other organisms around them. Both plants and animals need different materials to survive. What do plants nee...
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chapter 14: history of life biogenesis biogenesis- all living things come from other living things spontaneous generation- a thought that living things could come from nonliving things (maggots on rotting meat) Redi's experiment ...
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Genetics, origins of life and evolution 2.4. Genetic alterations in humans Altered genes, which contain incorrect information, are the cause of functional anomalies and diseases in organisms. These diseases are often severe, and their inheritance is ...
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Topic 2 - Key Terms Additive - In relation to alleles, describes interaction between alleles in which their effects are summed. Additive alleles always affect the phenotype and so are always subject to selection. (T2P2) ...
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Topic 1 - Key Terms Allopatric Speciation - Speciation in which the evolution of reproductive isolating barriers occurs during physical separation of the populations. Allopolyploid - Individual that exhibits ploidy (m...
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Genetic Change DARWIN'S THEORY OF NATURAL SELECTION General Points Populations can produce large numbers of offspring with inherited variation among them. Those with phenotypes best suited to the conditions of the environment are mo...
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The beginning of Life Basis of Lectures 1-2, Tree of Life and Natural Selection and the origin of Life Chapter 25 Objectives: a) What is Life? b) How is it classified? c) When did it start d) How did it start? e) Which came first, Dna or R...
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EEB 2244: Evolution and Adaptation Evolution and Adaptation Overview: Evolution depends on phenotypic and genotypic variation Different processes contribute to evolution Speciation Artificial Selection Evolution: Evolution: change in genetic compositio...
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The process of Evolution, Speciation and Extinction The process of Evolution, Speciation and Extinction Chapters 23, 24, 25 Objectives a) What is evolution & speciation? b) What factors affect they type of speciation occuring? c) How do extinction even...
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Chapter 15 - Evidence for relationships between organisms
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Evolution - created from Mind Map Evidence Speciation Mechanisms
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Evolution - created from Mind Map Micro Evolution Evidence for Evolution Earth History
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Origin of Life 2 Origin Of Life Essential Question How is the origin and evolution of life on Earth supported by evidence of conserved core processes and shared features?How long ago did the first living cells exist, and what must hav...
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B3 Adaptation and Variation Definition of a species: A group of organisms that can breed together to produce fertile offspring Animals and plants can live in different environments because they are adapted to do so Adapt...
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Chapter 1.1 Origin of Life Questions 1. The spontaneous origin of life on Earth is thought to have involved the non-living synthesis of simple organic molecules. (a) List two other processes needed for the spontaneous origin of life. .......................
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Human Evolution CLASS NOTES 05.30.18 - Introduction to Human Evolution Question structure: 1. Cranial differences between us and other homogenous species, bipedalism 2. Dispersal - how we evolved, where did we evolve, 3. Cultural evolution...
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Evolution Theories of aging. 1. Rate of living : Based on metabolic rates of different animals. But disproved by bats that live longer and also have higher metabolic rates. Another examples is birds. 2. Wear and tear theory : A...
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objectives Cell Organelles (objective #7)Cytoplasm: the area of the protoplasm between the nucleus and the cell membraneCytosol: the fluid gel-like component of the cytoplasm made up of mostly waterOrganelles: structures within ...
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Origins of Life Scientific Materialist View on Origins of Life Charles Darwin published The Origin of Species in 1858. This is a hypothesis that explains how new species originate but does not explain the origins of life. Alfred Russ...
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LIFE ON EARTH Life On Earth Early Earth and the formation of organic moleculesEarly earth contained no ozone layer = large amounts of UV radiation reached the earth no ozone layer because there was little to no free oxy...
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Ch 6 - A Very Cultured Species Chapter 6 Key Concepts Time and Place of Our Species' Origin comparing genetic variation among humans from around the globe shows common ancestor 300-200 thousand years ago all living humans descended from...
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Primates Workbook P r i m a t e s Use Chapter 29 (Primate Legacy), page 369 of your ESA textbook, the supplied Biozone books and the Primate Evolution PPT on the student drive, to help you complete the following work. Com...
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Chapter 21 Q/A 21.1 Q/A 1) Why is genetic variation in a population important? Genetic variation allows for specialization in an environment, and thus survival OR the elimination of a harmful gene. 2) How do mutations create genetic...
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Untitled ...
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China, Southeast Asia, and the Pacific China, Southeast Asia and the PacificHomo erectus in Asia Indonesia- 1.7 mya? Or 800kya?china - 1.9-1.6myaVietnam- 500,000yaMade and used stone and possibly bamboo toolsLikely hunted scavengedAcheulian hand axes in Ar...
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Chapter 19 Q/A 19.1 Q/A 1) Explain Charles Darwin's contribution to our understanding of evolution in the context of those that come before him as well as his contemporaries. People such as Aristotle, Leonardo Da Vinci, and Jean Bap...
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Chapter 25 Concept 25.1 Conditions on early Earth made origin of life possible Chemical and physical processes on early Earth may have produced very simple cells through a sequence of stages 1. Abiotic Synthesis of small organic...
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B1 Adaptations Animal adaptations: Polar bear:White coat- camouflage for hunting/predation.Black skin- absorbs sun's energy/heat energy- channeled by transparent hollow hair tubes from surface to skin surface.Large body ...
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LU 2 Complexity Of Life
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speciation /adaptive rad Stages of Speciation. -1) initially members of the same species share the same gene pool and interbreed freely2) then a population becomes split by a barrier (isolation mechanism) This prevents the gene flow between p...
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B3 - Revision Summary A species is a group of organisms that can breed together to produce fertile offspring. Cactus- rounded shape,giving small surface area compared to volume to reduce water loss, thick waxy layer to reduce water loss. F...
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Topic 4-Natural selection and Genetic modification CB4: Natural selection and genetic modificationCB4a-Evidence for human evolution Evolution is the slow and continuous change of organisms from one generation to the next. Binomial species names are a species' genus na...
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Speciation and Genetic Drift Speciation is the development of a new species Speciation is the development of a new species from an existing species. Speciation occurs when populations of the same species become reproductively isolated - changes i...
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11.3: Other Mechanisms of Evolution A. Gene flow is the movement of alleles between populations:Studies on birds have shown that in certain species of birds, the birds leave their nest when they learn to fly. Scientists tracked bald eagles that were ban...
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Lecture Exam 1 Chapter 27, Speciation If two different populations do not interbreed in nature, or if they fail to be able to hybridize, they are considered different species under the biological species concept.. Prezygotic genetic...
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Walking with Cavemen
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Booklet 2 - Human Evolution TYPES OF TOOLS Cultural Period: Lower Palaeolithic Name of Tool Culture: Oldowan Features of the Tools: Simple river-worn that were crudely fashioned with only a few flakes being removed. They produced a...
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About evolution and natural selection notes
GoConqr OriginalEvolution and natural selection notes
The notes on this page cover several ways to approach the unit. Genetic Change discusses natural selection and inherited variation in populations. Adaptations and Extremophiles looks at how organisms survive in their surroundings. Other notes cover speciation and evidence for relationships between organisms.
How to use the notes
Start with Genetic Change if you want to review natural selection, then read the notes on evidence for relationships between organisms to look at comparisons of DNA and proteins. For vocabulary practice, the notes on topic key terms include definitions of speciation and alleles.
After reading a section, close the note and write down the ideas you remember. Reopen it to check what you missed. When you want a different way to review, switch to a mind map on the unit page, or try a quiz to check your understanding. Pick a note and begin with the topic you want to revisit.
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Which note should I start with?
Start with Genetic Change if you want to review natural selection and inherited variation. If adaptations are your focus, try Adaptations and Extremophiles instead. For terminology, the notes on topic key terms include definitions such as allopatric speciation and additive alleles.
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What topics do the notes cover?
The listed notes include adaptations, genetic change, speciation and evidence for relationships between organisms. You can also find material on the origin of life, human evolution and prey defences. Look through the titles to find a topic that fits what you are studying.