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 and extinction. The collection includes over 160 notes for school students, university students and professional candidates studying these topics, as well as teachers seeking ready-made material. Pick a note that matches what you are studying.
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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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BIOL213 Chp25 - created from Mind Map What is fossil strengths Weaknesses
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Speciation Fossils provide a record of organisms that lived a long time ago. They also provide evidence that animals and plants can change over long periods of time. The fossil record is often incomplete. However, there is a goo...
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Checkpoint Study guide/biology 2.01Adaptation: Characteristic-physical, chemical, or behavioral that helps an organism survive and reproduce is an adaptation.The walking stick insect has characteristic camouflage which helps it to avoid predators.T...
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chapter 7
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Notes on Evidence for Relationships Between Organisms Comparing protein structuresBecause the primary structure (sequence of amino acids) of a protein is determined by DNA base sequence, you can compare amino acid sequences of proteins which have the same function in dif...
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Speciation Fossils provide a record of organisms that lived a long time ago. They also provide evidence that animals and plants can change over long periods of time. The fossil record is often incomplete. However, there is a goo...
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Untitled Evolution is a theory about the origin of life. This is a myth. The Scientific Theory of Evolution does not suggest how life began; evolution states that living things change over time in response to changes in their ...
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Science Additional- Speciation and Extinction Extinction Extinction is officially defined as the disappearance of a species from the earth. Something pretty awesome about us humans is that we are intelligent enough to know about species that once existed. This is...
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Evolution SpeciationChanges in the environment of plants and animals may cause them to die out. The fossil record shows that new organisms arise, flourish, and after a time become extinct. The record also shows changes that lea...
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23.5 Evolution of Seed Plants: Full Adaptation to Land - created from Mind Map https://www.youtube.com/watch?v=ExaQ8shhkw8 https://play.kahoot.it/#/k/53f4f27e-05e7-40f8-b052-ca80ce1d04dc Gymnosperm Angiosperm
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Biology vocabulary- Diversity, change and continuity. BIOLOGY VOCAB EVOLUTION: • Macro-evolution: A change above species level which leads to more highly developed groups of organisms over time. • Lineage: An evolutionary line. • A...
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Biology (level 2) Differential Reproductive Success Differential reproductive success has to do with natural selection. Natural Selection is a gradual process by which certain traits of a species b...
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Natural Selection Natural SelectionNatural selection is the process in which some environmental factors determines which individuals will survive. We say individuals are 'selected' from the population, or that they undergo selection pr...
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13.3 study biol 101 The Gap to be bridged: Invention of novel complex structures:1. Mutation and natural selection might be expected to function more robustly in a system that already contains populations of reproducing organisms with ge...
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Evolution - created from Mind Map Theories of evolution Speciation Evidence for Evolution
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23.5 Evolution of Seed Plants: Full Adaptation to Land - created from Mind Map https://www.youtube.com/watch?v=ExaQ8shhkw8 Gymnosperm Angiosperm
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Untitled Complex organisms only evolved from and began as simple organisms - 3 billion years ago.EVOLUTIONARY Similarities and Differences!) Similar genes and common ancestors = closely related organisms. These similar organis...
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Evolution ...
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Bio Study Guide Biology CPE Evolution Study Guide What are structures shared by organisms that come from a common ancestor? Homologous Structures What are body parts that are used for the same function but are NOT the same structure?...
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Unit 1 Science Lesson 1: Introduction to Living Things 5 characteristics of all living things Living Things are Made of Cells cell: membrane covered structure that contains all of the materials necessary for life
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13.2 study RNA molecules have a base sequence that can carry info, and some of the larger ones have catalytic properties. They can accelerate the rates of certain reactions much as protein based enzymes do in modern cells.As the...
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LU 3 Species Diversity II SPECIES CONCEPT & SPECIATIONBiological Species Concept = A species is a population/group of populations where the members have potential to interbreed to produce fertile offsprings, but cannot produce fertile offsprin...
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EVOLUTION EVOLUTION Evolution is the change in the characteristics of a species over many generations. Theories about evolution Lamarckism By studying the anatomy of different species, he suggested that species change over time...
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Untitled Long before Darwin was born, several Greek philosophers suggested that life might have changed gradually over time. But one philosopher who greatly influenced early Western science, Aristotle (384–322 bce), viewe...
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Genomes to Ecosystems LECTURE 1 Understand dynamics of genetic and ecological change in biological systems, from genomes to ecosystems. Coral bleaching Corals: colonial cnidarians, feed on phytoplankton Distribution: shallow,...
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Ch 15 Evolution 15.1 Evolution: how modern organisms have descended from ancient organismsVoyage of the Beagle: Darwin went on a 5-year voyage around the world collected and studied plant and animal specimens his observations led him...
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B1 - Adaptions Adaptations - Plants complete for light, water, space and nutrients.- Animals compete for food, territory and mates. Extremophiles Salt = in the sea / lakes. Bacteria is highly affected by salty conditions. Trees are ...
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Variation and Selection Variation can be caused by genes, the environment, or both Variation is the differences that exist between individuals. Variation within a species means that individuals in a population can show wide range of differen...
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Chapter 23 evolution of populations Population Genetics: Study of allele distributions and frequencies Gene pool: All versions of all the genes carried by individuals in pop Mutations: can cause genetic variation Sexual reproduction: ensures genes are r...
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Scientific Theory - created from Mind Map pattern component process component Evolution by natural selection
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Types of Selection 1/17/17 Directional: favors trait shifted towards one of the tails of the normal distribution Shifts the mean value of the trait Rapidly increases over time Examples Antibiotic resistance Insecticide resistance Disruptive: oc...
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Speciation SPECIATION defined as the creation of two or more new species from one ancestral species. Allopatric speciation most common type of speciation involves geographical isolation gene flow is interrupted when population i...
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Bio 4600 Exam 2 AZT resistance at phenotypic level1. random mutation causes change in active site of reverse transcriptase2. reverse transpritase mistaakes AZT for Thymidine3. Transcription still happens; enzymes replicate and become...
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Prey defences Predation defence Predation defence comes in many forms: physiological, anatomical and behavioural. Physical defences such as spines and armour are obvious adaptations, but other defences can be more subtle and surpri...
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Evolution - created from Mind Map_1 Principles of evolution 1. organisms beget like organisms 2. the number of individuals that survive and reproduce is smaller than the number of individuals in the original population 3. in any given population, there ...
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MECHANISMS & IMPACTS of EVOLUTION - created from Mind Map 2. GENETIC DRIFT Definition of evolution (Darwinism) 3. GENE FLOW
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Untitled Speciation:the process by which one species splits into two or more species Species: a population/group of populations whose members have the potential to interbreed in nature and produce viable, fertile offsprin...
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Biology Questions (Unit 1 Review) Unit 1 Outcomes: 1. The basic ideas behind biogenesis and abiogenesis is biogenesis is the theory that living things must come from other living things. For example, the maggots in Redi's experiment came from eggs tha...
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Untitled The evolution of animal genitalia Apparently, no organs evolve faster and into more variable shapes than those involved in procreation. what's the point of having such decorative nether regions? After all, the ...
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2.2 - Organisms 2.2 (a) - Drift and Selection Evolution is the change over time in the proportion of individuals differing in one or more inherited traits Evolution can occur either through the random process of genetic drift or the ...