ANIMAL BEHAVIOR Animal behavior: what an animal does when interacting with its environment A lot of animal’s behaviors are genetically predetermined - Ethology Study of animal behavior Didn’t exist - People Karl von Frisch Applied scientific method to study bees Figured out how bees tell other bees Konrad Lorenz and Niko Tinbergen Scandinavian Their research helped to show that some behaviors have genetic bases Nobel prize - Evolution Underlays all behavior Behaviors enhance
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AP Biology Upon the completion of the textbook readings in Chapters 22-26 you should be able to: Chapter 22 1. Explain how the principle of gradualism and Charles Lyell’s theory of uniformitarianism influenced Darwin’s ideas about evolution. The basic idea of natural selection is that a population of organisms can change over the generations if individuals having certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation
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• Chapter 7 o Online questions • The fluid mosaic model is now generally accepted for the description of all biological membranes • Transmembrane segments of membrane proteins anchor membrane proteins in the lipid bilayer. • A ganglioside is not a phospholipid. • Thin-layer chromatography separates lipids based on hydrophobicity. • Unsaturated fatty acids have double bonds and increased membrane fluidity. • Cholesterol increases fluidity at low temperatures and decreases fluidity at high temperatures
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How does movie Gattaca relate to biology? The movie Gattaca directed by Andrew Niccol is about “a genetically inferior man assumes the identity of a superior one in order to pursue his lifelong dream of space travel”. During the process (to become as same as Jerome Morrow‚ the superior)‚ Vincent goes through lots of different operations‚ including physical and genetic operations. As we watched it and saw the operations and the doctors in the beginning of the movie‚ we connected happenings to the
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Why humans murder other humans is a question of insightful concern and practical importance‚ one that needs a successful scientific explanation. Evolutionary theory has explanations of why murder occurs‚ the circumstances in which it occurs‚ and the psychological mechanisms dedicated to murder. Murder is unlawful killing of another human being. As William Blackstone stated the common law definition of murder is ‘when a person‚ of sound memory and discretion‚ unlawfully killeth any reasonable creature
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The journey to becoming a marine biologist is one that is embarked with hard work and keen determination. When I boarded on this journey as a student majoring in marine biology‚ I have always been fascinated by ocean exploration and how new scientific discoveries have revolutionized around it. I also live with great enthusiasm for conducting oceanic research‚ and I have always envisioned myself using scientific instruments and modern day technologies to conduct such research. The Ocean and Climate
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or cell doctrine‚ states that all organisms are composed of similar units of organization‚ called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin’s theory of evolution (1859)‚ Mendel’s laws of inheritance (1865)‚ and the establishment of comparative biochemistry (1940). First Cells Seen in Cork While the invention of the telescope made the
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Osmosis Case study You are a veterinarian working in Indooroopilly and return from lunch to find a nurse treating a six year old kelpie‚ Baxter. Baxter is very lethargic‚ has an increased heart rate‚ and when you pinch his skin the fold remains visible. The owner tells you that they knew something was wrong when‚ upon returning to the outdoor car park from a three hour shopping trip‚ they saw Baxter passed out on the back seat. The temperature in the car would have been very high and Baxter
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UNIT 1 – What is Biology? What is biology? the study of living organisms‚ divided into many specialized fields that cover their morphology‚ physiology‚ anatomy‚ behavior‚ origin‚ and distribution. Biotic vs. abiotic factors Biotic- living factors i.e. plants‚ animals‚ fungi‚ bacteria‚ and protest Abiotic- nonliving factors that affect living organisms. Environmental factors: habitat & weather 7 Characteristics of living things (Bio 3 Book Ch. 1) Uni-cellular vs. Multi-cellular Uni-Cellular-
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Types of species 1. Endemic species Endemism is the ecological state of a species being unique to a defined geographic location‚ such as an island‚ nation‚ country or other defined zone‚ or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. they are only found in certain locations‚ they require special conservation efforts Animal examples: Lemurs of Madagascar‚ tortoises of the Galapagos‚ polar bears‚ koalas‚ kangaroos. Plant examples:
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