B.5.4 Evaluate evidence to Natural selection any characteristic of an Systems and System – explain the role of natural individual that allows it to survive and reproduce Models selection as an evolutionary will that characteristic to become more mechanism that leads to the frequent in a population Structure and adaptation of species, and to Adaptation trait with a current functional role Function – support claims that changes in in the life of an organism that is maintained and environmental conditions may evolved by means of natural selection result in: (1) increases in the Species of closely related organisms that – number of individuals of some are very similar to each other and are capable of species, (2) the emergence of interbreeding and producing fertile offspring new species over time, and/or Extinction end/termination of a species – (3) the extinction of other species. B. 5.5 Construct an Emphasis is on evidence to Sexual reproduction mode of reproduction Systems and System – explanation based on evidence explain the influence each of the four where the fusion of a female gamete and male Models that the process of evolution factors has on number of organisms, gamete forms a zygote that potentially develops primarily results from four behaviors, morphology, or physiology into genetically distinct offspring Structure and factors: (1) the potential for a in terms of ability to compete for Function species to increase in number, limited resources and subsequent (2) the heritable genetic survival of individuals and adaptation variation of individuals in a of species. Examples of evidence species due to mutation and could include mathematical models sexual reproduction, (3) such as simple distribution graphs and competition for limited proportional reasoning. resources, and (4) the proliferation of those organisms that are better able to survive and reproduce in the environment
B.5.4 Evaluate evidence to explain the role of natural selection as an evolutionary mechanism that leads to the adaptation of species, and to support claims that changes in environmental conditions may result in: (1) increases in the number of individuals of some species, (2) the emergence of new species over time, and/or (3) the extinction of other species. Natural selection – any characteristic of an individual that allows it to survive and reproduce will that characteristic to become more frequent in a population Adaptation – trait with a current functional role in the life of an organism that is maintained and evolved by means of natural selection Species – of closely related organisms that are very similar to each other and are capable of interbreeding and producing fertile offspring Extinction – end/termination of a species Systems and System Models Structure and Function B. 5.5 Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited resources, and (4) the proliferation of those organisms that are better able to survive and reproduce in the environment Emphasis is on evidence to explain the influence each of the four factors has on number of organisms, behaviors, morphology, or physiology in terms of ability to compete for limited resources and subsequent survival of individuals and adaptation of species. Examples of evidence could include mathematical models such as simple distribution graphs and proportional reasoning. Sexual reproduction – mode of reproduction where the fusion of a female gamete and male gamete forms a zygote that potentially develops into genetically distinct offspring Systems and System Models Structure and Function
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