Directed Reading 13.1 Section: The Theory of Evolution by Natural Selection In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. ______ 1. Some individuals of a population or species are better suited to a. evolve than other individuals. b. survive and reproduce. c. become extinct.
Chapter 7 study guide Adaptation is a structure, behaviour and phsyclogical process that helps the organism survive and reproduce in a particular environment. Camouflage and mimicry are the examples of structural adaptation. Mimcry is a structural adaptation in which a harmless species resembles a harmful species in the coloration or structure. The changes in characteristics are the result of random, heritable mutations in genetic material that accumulate over generations. Environmental conditions determine whether a variation in an individual has a positive or negative effect, or no effect on the individual’s ability to survive and reproduce.
Answer-Traditional classification grouped organisms according to overall similarities and differences. Evolutionary classification groups species into larger categories that reflect hypotheses about lines of evolutionary descent. 1b.To an evolutionary taxonomist, what determines whether two species are in the same genus? Answer-whether the two species share a more recent common ancestor with one another than they share with members of any other group. 2a.What is a derived character?
Lamarck- Lived from 1744-1829. Remembered for the incorrect proposals to explain how evolution occurs. By comparing living species with fossil forms, he had found what appeared to be several lines of descent; each differed by age and time. His two key principles are use and disuse, which was the idea that parts of the body that are used more become stronger and larger, and inheritance of acquired characteristics, which stated that an organism could pass these modifications to its offspring. Also though that evolution happens because organisms have an innate drive to become more
Our environment shapes how our genes affect us though. Genes work in mysterious ways and we may not enjoy what the give to us. Good or bad, genes are what turn on nurture so our environment can shape who we are, how we behave, and possibly who we love. Ridley certainly backs his theories with much evidence and this book strongly displays his opinion of how nature brings about nurture. From the text, I gathered that Ridley wrote The Agile Gene from a biological perspective of psychology.
It is a key mechanism of evolution. The term "natural selection" was popularized by Charles Darwin who intended it to be compared with artificial selection, what we now call selective breeding. Basically its means when an individual of a species has a good trait such as long legs and breeds
Name:_________________________________________________________________ Period:______ Natural Selection Bunny Simulation http://phet.colorado.edu/en/simulation/natural‐selection Adapted from the HHS Biology Team Feb, 2012. Background Information: In the mid 1800’s a scientist named Charles Darwin discovered and developed a mechanism for evolution that he called natural selection. Natural selection simply stated that within any population with variation there would be a struggle for existence that would ultimately lead to the survival of the fittest. Darwin then went on to say that those traits that were the most fit would be passed on to the next generation more frequently. This continual selection for certain traits and against others over
Charles Darwin and Sigmund Freud both challenged Enlightenment assumptions about human behavior and the role of reason. The Enlightenment thought humans were superior to animals and should think reasonably. Darwin believed humans evolved over time into what the species is today. It was this concept of evolution that Darwin understood which Enlightenment did not have. Sigmund Freud's id, ego, and super ego theory brought about a new way of thought that challenged the Enlightenment.
Chapter 13 Learning Objectives Define Adaptations Something, such as a device or mechanism, that is changed or changes so as to become suitable to a new or special application or situation. Evolution Change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species. Fossils are any preserved remains or imprints of living organisms (usually ancient animals and plants), such as bones, shells, footprints, or leaf impressions. Who was Charles Darwin, what was the name of the ship that he sailed on, and what is the name of his 1859 publication? The beagle, Explain the importance of the following people: Jean Baptiste Lamarck French biologist.
Evolutionary Psychology: A Primer Leda Cosmides & John Tooby Introduction The goal of research in evolutionary psychology is to discover and understand the design of the human mind. Evolutionary psychology is an approach to psychology, in which knowledge and principles from evolutionary biology are put to use in research on the structure of the human mind. It is not an area of study, like vision, reasoning, or social behavior. It is a way of thinking about psychology that can be applied to any topic within it. In this view, the mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.